Home / 530,439.06-732,100.77-339,445.92

Finding the Fourth Proportional to 530,439.06, 732,100.77 and 339,445.92

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Solution

The fourth proportional to 530,439.06, 732,100.77 and 339,445.92 is: 468,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,439.06 : 732,100.77 = 339,445.92 : x
  2. Step 2: Convert to fraction form
    530,439.06/732,100.77 = 339,445.92/x
  3. Step 3: Cross multiply
    530,439.06x = 732,100.77 × 339,445.92
  4. Step 4: Simplify right side
    530,439.06x = 248,508,619,405.36
  5. Step 5: Solve for x
    x = 248,508,619,405.36/530,439.06
  6. Step 6: Final answer
    x = 468,496.08

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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.