Home / 836,721.30-1,154,684.34-454,748.10

Finding the Fourth Proportional to 836,721.30, 1,154,684.34 and 454,748.10

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Solution

The fourth proportional to 836,721.30, 1,154,684.34 and 454,748.10 is: 627,557.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,721.30 : 1,154,684.34 = 454,748.10 : x
  2. Step 2: Convert to fraction form
    836,721.30/1,154,684.34 = 454,748.10/x
  3. Step 3: Cross multiply
    836,721.30x = 1,154,684.34 × 454,748.10
  4. Step 4: Simplify right side
    836,721.30x = 525,090,509,714.75
  5. Step 5: Solve for x
    x = 525,090,509,714.75/836,721.30
  6. Step 6: Final answer
    x = 627,557.24

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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.