Home / 527,555.01-727,981.57-298,132.23

Finding the Fourth Proportional to 527,555.01, 727,981.57 and 298,132.23

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Solution

The fourth proportional to 527,555.01, 727,981.57 and 298,132.23 is: 411,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,555.01 : 727,981.57 = 298,132.23 : x
  2. Step 2: Convert to fraction form
    527,555.01/727,981.57 = 298,132.23/x
  3. Step 3: Cross multiply
    527,555.01x = 727,981.57 × 298,132.23
  4. Step 4: Simplify right side
    527,555.01x = 217,034,764,477.76
  5. Step 5: Solve for x
    x = 217,034,764,477.76/527,555.01
  6. Step 6: Final answer
    x = 411,397.41

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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.