Home / 530,723.16-732,279.42-445,028.76

Finding the Fourth Proportional to 530,723.16, 732,279.42 and 445,028.76

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Solution

The fourth proportional to 530,723.16, 732,279.42 and 445,028.76 is: 614,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,723.16 : 732,279.42 = 445,028.76 : x
  2. Step 2: Convert to fraction form
    530,723.16/732,279.42 = 445,028.76/x
  3. Step 3: Cross multiply
    530,723.16x = 732,279.42 × 445,028.76
  4. Step 4: Simplify right side
    530,723.16x = 325,885,402,256.12
  5. Step 5: Solve for x
    x = 325,885,402,256.12/530,723.16
  6. Step 6: Final answer
    x = 614,040.29

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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.