Home / 418,727.04-577,830.96-237,455.52

Finding the Fourth Proportional to 418,727.04, 577,830.96 and 237,455.52

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Solution

The fourth proportional to 418,727.04, 577,830.96 and 237,455.52 is: 327,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,727.04 : 577,830.96 = 237,455.52 : x
  2. Step 2: Convert to fraction form
    418,727.04/577,830.96 = 237,455.52/x
  3. Step 3: Cross multiply
    418,727.04x = 577,830.96 × 237,455.52
  4. Step 4: Simplify right side
    418,727.04x = 137,209,151,078.90
  5. Step 5: Solve for x
    x = 137,209,151,078.90/418,727.04
  6. Step 6: Final answer
    x = 327,681.61

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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.