Home / 530,569.11-732,189.80-288,853.36

Finding the Fourth Proportional to 530,569.11, 732,189.80 and 288,853.36

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Solution

The fourth proportional to 530,569.11, 732,189.80 and 288,853.36 is: 398,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,569.11 : 732,189.80 = 288,853.36 : x
  2. Step 2: Convert to fraction form
    530,569.11/732,189.80 = 288,853.36/x
  3. Step 3: Cross multiply
    530,569.11x = 732,189.80 × 288,853.36
  4. Step 4: Simplify right side
    530,569.11x = 211,495,483,887.73
  5. Step 5: Solve for x
    x = 211,495,483,887.73/530,569.11
  6. Step 6: Final answer
    x = 398,620.05

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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.