Home / 836,689.32-1,154,729.52-497,157.84

Finding the Fourth Proportional to 836,689.32, 1,154,729.52 and 497,157.84

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Solution

The fourth proportional to 836,689.32, 1,154,729.52 and 497,157.84 is: 686,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,689.32 : 1,154,729.52 = 497,157.84 : x
  2. Step 2: Convert to fraction form
    836,689.32/1,154,729.52 = 497,157.84/x
  3. Step 3: Cross multiply
    836,689.32x = 1,154,729.52 × 497,157.84
  4. Step 4: Simplify right side
    836,689.32x = 574,082,833,947.44
  5. Step 5: Solve for x
    x = 574,082,833,947.44/836,689.32
  6. Step 6: Final answer
    x = 686,136.20

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Double scale
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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.