Home / 717,541.57-990,277.38-535,938.56

Finding the Fourth Proportional to 717,541.57, 990,277.38 and 535,938.56

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Solution

The fourth proportional to 717,541.57, 990,277.38 and 535,938.56 is: 739,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,541.57 : 990,277.38 = 535,938.56 : x
  2. Step 2: Convert to fraction form
    717,541.57/990,277.38 = 535,938.56/x
  3. Step 3: Cross multiply
    717,541.57x = 990,277.38 × 535,938.56
  4. Step 4: Simplify right side
    717,541.57x = 530,727,833,037.77
  5. Step 5: Solve for x
    x = 530,727,833,037.77/717,541.57
  6. Step 6: Final answer
    x = 739,647.51

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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.