Home / 747,582.86-1,031,628.48-425,262.80

Finding the Fourth Proportional to 747,582.86, 1,031,628.48 and 425,262.80

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Solution

The fourth proportional to 747,582.86, 1,031,628.48 and 425,262.80 is: 586,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,582.86 : 1,031,628.48 = 425,262.80 : x
  2. Step 2: Convert to fraction form
    747,582.86/1,031,628.48 = 425,262.80/x
  3. Step 3: Cross multiply
    747,582.86x = 1,031,628.48 × 425,262.80
  4. Step 4: Simplify right side
    747,582.86x = 438,713,215,964.54
  5. Step 5: Solve for x
    x = 438,713,215,964.54/747,582.86
  6. Step 6: Final answer
    x = 586,842.26

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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.