Home / 1,108,811.40-1,663,217.10-577,370.40

Finding the Fourth Proportional to 1,108,811.40, 1,663,217.10 and 577,370.40

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Solution

The fourth proportional to 1,108,811.40, 1,663,217.10 and 577,370.40 is: 866,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,811.40 : 1,663,217.10 = 577,370.40 : x
  2. Step 2: Convert to fraction form
    1,108,811.40/1,663,217.10 = 577,370.40/x
  3. Step 3: Cross multiply
    1,108,811.40x = 1,663,217.10 × 577,370.40
  4. Step 4: Simplify right side
    1,108,811.40x = 960,292,322,313.84
  5. Step 5: Solve for x
    x = 960,292,322,313.84/1,108,811.40
  6. Step 6: Final answer
    x = 866,055.60

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Double scale
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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.