Home / 772,281.40-1,158,422.10-655,641.40

Finding the Fourth Proportional to 772,281.40, 1,158,422.10 and 655,641.40

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Solution

The fourth proportional to 772,281.40, 1,158,422.10 and 655,641.40 is: 983,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,281.40 : 1,158,422.10 = 655,641.40 : x
  2. Step 2: Convert to fraction form
    772,281.40/1,158,422.10 = 655,641.40/x
  3. Step 3: Cross multiply
    772,281.40x = 1,158,422.10 × 655,641.40
  4. Step 4: Simplify right side
    772,281.40x = 759,509,487,434.94
  5. Step 5: Solve for x
    x = 759,509,487,434.94/772,281.40
  6. Step 6: Final answer
    x = 983,462.10

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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.