Home / 813,043.59-1,122,526.67-522,785.49

Finding the Fourth Proportional to 813,043.59, 1,122,526.67 and 522,785.49

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Solution

The fourth proportional to 813,043.59, 1,122,526.67 and 522,785.49 is: 721,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,043.59 : 1,122,526.67 = 522,785.49 : x
  2. Step 2: Convert to fraction form
    813,043.59/1,122,526.67 = 522,785.49/x
  3. Step 3: Cross multiply
    813,043.59x = 1,122,526.67 × 522,785.49
  4. Step 4: Simplify right side
    813,043.59x = 586,840,652,600.09
  5. Step 5: Solve for x
    x = 586,840,652,600.09/813,043.59
  6. Step 6: Final answer
    x = 721,782.52

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Double scale
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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.