Home / 908,432.32-1,253,637.78-494,967.14

Finding the Fourth Proportional to 908,432.32, 1,253,637.78 and 494,967.14

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Solution

The fourth proportional to 908,432.32, 1,253,637.78 and 494,967.14 is: 683,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,432.32 : 1,253,637.78 = 494,967.14 : x
  2. Step 2: Convert to fraction form
    908,432.32/1,253,637.78 = 494,967.14/x
  3. Step 3: Cross multiply
    908,432.32x = 1,253,637.78 × 494,967.14
  4. Step 4: Simplify right side
    908,432.32x = 620,509,506,562.55
  5. Step 5: Solve for x
    x = 620,509,506,562.55/908,432.32
  6. Step 6: Final answer
    x = 683,055.30

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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.