Home / 688,302.80-1,032,454.20-546,585.20

Finding the Fourth Proportional to 688,302.80, 1,032,454.20 and 546,585.20

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Solution

The fourth proportional to 688,302.80, 1,032,454.20 and 546,585.20 is: 819,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,302.80 : 1,032,454.20 = 546,585.20 : x
  2. Step 2: Convert to fraction form
    688,302.80/1,032,454.20 = 546,585.20/x
  3. Step 3: Cross multiply
    688,302.80x = 1,032,454.20 × 546,585.20
  4. Step 4: Simplify right side
    688,302.80x = 564,324,185,397.84
  5. Step 5: Solve for x
    x = 564,324,185,397.84/688,302.80
  6. Step 6: Final answer
    x = 819,877.80

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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.