Home / 530,440.29-732,023.40-326,608.83

Finding the Fourth Proportional to 530,440.29, 732,023.40 and 326,608.83

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Solution

The fourth proportional to 530,440.29, 732,023.40 and 326,608.83 is: 450,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,440.29 : 732,023.40 = 326,608.83 : x
  2. Step 2: Convert to fraction form
    530,440.29/732,023.40 = 326,608.83/x
  3. Step 3: Cross multiply
    530,440.29x = 732,023.40 × 326,608.83
  4. Step 4: Simplify right side
    530,440.29x = 239,085,306,206.62
  5. Step 5: Solve for x
    x = 239,085,306,206.62/530,440.29
  6. Step 6: Final answer
    x = 450,729.91

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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.