Home / 530,630.23-732,282.87-288,926.05

Finding the Fourth Proportional to 530,630.23, 732,282.87 and 288,926.05

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Solution

The fourth proportional to 530,630.23, 732,282.87 and 288,926.05 is: 398,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,630.23 : 732,282.87 = 288,926.05 : x
  2. Step 2: Convert to fraction form
    530,630.23/732,282.87 = 288,926.05/x
  3. Step 3: Cross multiply
    530,630.23x = 732,282.87 × 288,926.05
  4. Step 4: Simplify right side
    530,630.23x = 211,575,597,111.76
  5. Step 5: Solve for x
    x = 211,575,597,111.76/530,630.23
  6. Step 6: Final answer
    x = 398,725.11

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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.