Home / 530,747.16-732,312.54-445,052.76

Finding the Fourth Proportional to 530,747.16, 732,312.54 and 445,052.76

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Solution

The fourth proportional to 530,747.16, 732,312.54 and 445,052.76 is: 614,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,747.16 : 732,312.54 = 445,052.76 : x
  2. Step 2: Convert to fraction form
    530,747.16/732,312.54 = 445,052.76/x
  3. Step 3: Cross multiply
    530,747.16x = 732,312.54 × 445,052.76
  4. Step 4: Simplify right side
    530,747.16x = 325,917,717,109.61
  5. Step 5: Solve for x
    x = 325,917,717,109.61/530,747.16
  6. Step 6: Final answer
    x = 614,073.41

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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.