Home / 578,948.30-869,200.05-369,514.70

Finding the Fourth Proportional to 578,948.30, 869,200.05 and 369,514.70

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Solution

The fourth proportional to 578,948.30, 869,200.05 and 369,514.70 is: 554,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,948.30 : 869,200.05 = 369,514.70 : x
  2. Step 2: Convert to fraction form
    578,948.30/869,200.05 = 369,514.70/x
  3. Step 3: Cross multiply
    578,948.30x = 869,200.05 × 369,514.70
  4. Step 4: Simplify right side
    578,948.30x = 321,182,195,715.74
  5. Step 5: Solve for x
    x = 321,182,195,715.74/578,948.30
  6. Step 6: Final answer
    x = 554,768.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.