Home / 931,411.10-1,397,116.65-577,117.10

Finding the Fourth Proportional to 931,411.10, 1,397,116.65 and 577,117.10

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Solution

The fourth proportional to 931,411.10, 1,397,116.65 and 577,117.10 is: 865,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,411.10 : 1,397,116.65 = 577,117.10 : x
  2. Step 2: Convert to fraction form
    931,411.10/1,397,116.65 = 577,117.10/x
  3. Step 3: Cross multiply
    931,411.10x = 1,397,116.65 × 577,117.10
  4. Step 4: Simplify right side
    931,411.10x = 806,299,909,409.72
  5. Step 5: Solve for x
    x = 806,299,909,409.72/931,411.10
  6. Step 6: Final answer
    x = 865,675.65

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Half scale
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Double scale
Find fourth proportional to 931,412.10, 1,397,118.15 and 577,118.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.