Home / 859,697.78-1,186,393.68-472,555.47

Finding the Fourth Proportional to 859,697.78, 1,186,393.68 and 472,555.47

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Solution

The fourth proportional to 859,697.78, 1,186,393.68 and 472,555.47 is: 652,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,697.78 : 1,186,393.68 = 472,555.47 : x
  2. Step 2: Convert to fraction form
    859,697.78/1,186,393.68 = 472,555.47/x
  3. Step 3: Cross multiply
    859,697.78x = 1,186,393.68 × 472,555.47
  4. Step 4: Simplify right side
    859,697.78x = 560,636,823,057.43
  5. Step 5: Solve for x
    x = 560,636,823,057.43/859,697.78
  6. Step 6: Final answer
    x = 652,132.46

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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.