Home / 530,845.12-732,562.50-289,126.95

Finding the Fourth Proportional to 530,845.12, 732,562.50 and 289,126.95

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Solution

The fourth proportional to 530,845.12, 732,562.50 and 289,126.95 is: 398,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,845.12 : 732,562.50 = 289,126.95 : x
  2. Step 2: Convert to fraction form
    530,845.12/732,562.50 = 289,126.95/x
  3. Step 3: Cross multiply
    530,845.12x = 732,562.50 × 289,126.95
  4. Step 4: Simplify right side
    530,845.12x = 211,803,561,309.38
  5. Step 5: Solve for x
    x = 211,803,561,309.38/530,845.12
  6. Step 6: Final answer
    x = 398,993.14

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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.