Home / 499,071.28-748,384.53-144,000.94

Finding the Fourth Proportional to 499,071.28, 748,384.53 and 144,000.94

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Solution

The fourth proportional to 499,071.28, 748,384.53 and 144,000.94 is: 215,937.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,071.28 : 748,384.53 = 144,000.94 : x
  2. Step 2: Convert to fraction form
    499,071.28/748,384.53 = 144,000.94/x
  3. Step 3: Cross multiply
    499,071.28x = 748,384.53 × 144,000.94
  4. Step 4: Simplify right side
    499,071.28x = 107,768,075,801.46
  5. Step 5: Solve for x
    x = 107,768,075,801.46/499,071.28
  6. Step 6: Final answer
    x = 215,937.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.