Home / 419,023.61-578,265.62-237,743.18

Finding the Fourth Proportional to 419,023.61, 578,265.62 and 237,743.18

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Solution

The fourth proportional to 419,023.61, 578,265.62 and 237,743.18 is: 328,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,023.61 : 578,265.62 = 237,743.18 : x
  2. Step 2: Convert to fraction form
    419,023.61/578,265.62 = 237,743.18/x
  3. Step 3: Cross multiply
    419,023.61x = 578,265.62 × 237,743.18
  4. Step 4: Simplify right side
    419,023.61x = 137,478,703,303.43
  5. Step 5: Solve for x
    x = 137,478,703,303.43/419,023.61
  6. Step 6: Final answer
    x = 328,092.98

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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.