Home / 530,634.20-732,293.16-288,926.16

Finding the Fourth Proportional to 530,634.20, 732,293.16 and 288,926.16

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Solution

The fourth proportional to 530,634.20, 732,293.16 and 288,926.16 is: 398,727.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,634.20 : 732,293.16 = 288,926.16 : x
  2. Step 2: Convert to fraction form
    530,634.20/732,293.16 = 288,926.16/x
  3. Step 3: Cross multiply
    530,634.20x = 732,293.16 × 288,926.16
  4. Step 4: Simplify right side
    530,634.20x = 211,578,650,713.07
  5. Step 5: Solve for x
    x = 211,578,650,713.07/530,634.20
  6. Step 6: Final answer
    x = 398,727.88

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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.