Home / 710,384.04-980,375.22-404,487.15

Finding the Fourth Proportional to 710,384.04, 980,375.22 and 404,487.15

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Solution

The fourth proportional to 710,384.04, 980,375.22 and 404,487.15 is: 558,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,384.04 : 980,375.22 = 404,487.15 : x
  2. Step 2: Convert to fraction form
    710,384.04/980,375.22 = 404,487.15/x
  3. Step 3: Cross multiply
    710,384.04x = 980,375.22 × 404,487.15
  4. Step 4: Simplify right side
    710,384.04x = 396,549,178,668.42
  5. Step 5: Solve for x
    x = 396,549,178,668.42/710,384.04
  6. Step 6: Final answer
    x = 558,218.03

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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.