Home / 534,139.62-736,994.81-316,240.10

Finding the Fourth Proportional to 534,139.62, 736,994.81 and 316,240.10

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Solution

The fourth proportional to 534,139.62, 736,994.81 and 316,240.10 is: 436,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,139.62 : 736,994.81 = 316,240.10 : x
  2. Step 2: Convert to fraction form
    534,139.62/736,994.81 = 316,240.10/x
  3. Step 3: Cross multiply
    534,139.62x = 736,994.81 × 316,240.10
  4. Step 4: Simplify right side
    534,139.62x = 233,067,307,147.71
  5. Step 5: Solve for x
    x = 233,067,307,147.71/534,139.62
  6. Step 6: Final answer
    x = 436,341.55

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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.