Home / 806,502.60-1,209,753.90-554,560.20

Finding the Fourth Proportional to 806,502.60, 1,209,753.90 and 554,560.20

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Solution

The fourth proportional to 806,502.60, 1,209,753.90 and 554,560.20 is: 831,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,502.60 : 1,209,753.90 = 554,560.20 : x
  2. Step 2: Convert to fraction form
    806,502.60/1,209,753.90 = 554,560.20/x
  3. Step 3: Cross multiply
    806,502.60x = 1,209,753.90 × 554,560.20
  4. Step 4: Simplify right side
    806,502.60x = 670,881,364,734.78
  5. Step 5: Solve for x
    x = 670,881,364,734.78/806,502.60
  6. Step 6: Final answer
    x = 831,840.30

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Double scale
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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.