Home / 813,059.50-1,122,412.14-571,549.10

Finding the Fourth Proportional to 813,059.50, 1,122,412.14 and 571,549.10

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Solution

The fourth proportional to 813,059.50, 1,122,412.14 and 571,549.10 is: 789,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,059.50 : 1,122,412.14 = 571,549.10 : x
  2. Step 2: Convert to fraction form
    813,059.50/1,122,412.14 = 571,549.10/x
  3. Step 3: Cross multiply
    813,059.50x = 1,122,412.14 × 571,549.10
  4. Step 4: Simplify right side
    813,059.50x = 641,513,648,446.07
  5. Step 5: Solve for x
    x = 641,513,648,446.07/813,059.50
  6. Step 6: Final answer
    x = 789,011.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.