Home / 708,264.38-977,376.40-385,967.62

Finding the Fourth Proportional to 708,264.38, 977,376.40 and 385,967.62

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Solution

The fourth proportional to 708,264.38, 977,376.40 and 385,967.62 is: 532,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,264.38 : 977,376.40 = 385,967.62 : x
  2. Step 2: Convert to fraction form
    708,264.38/977,376.40 = 385,967.62/x
  3. Step 3: Cross multiply
    708,264.38x = 977,376.40 × 385,967.62
  4. Step 4: Simplify right side
    708,264.38x = 377,235,642,952.17
  5. Step 5: Solve for x
    x = 377,235,642,952.17/708,264.38
  6. Step 6: Final answer
    x = 532,619.81

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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.