Home / 836,888.16-1,154,930.88-474,312.72

Finding the Fourth Proportional to 836,888.16, 1,154,930.88 and 474,312.72

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Solution

The fourth proportional to 836,888.16, 1,154,930.88 and 474,312.72 is: 654,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,888.16 : 1,154,930.88 = 474,312.72 : x
  2. Step 2: Convert to fraction form
    836,888.16/1,154,930.88 = 474,312.72/x
  3. Step 3: Cross multiply
    836,888.16x = 1,154,930.88 × 474,312.72
  4. Step 4: Simplify right side
    836,888.16x = 547,798,407,104.79
  5. Step 5: Solve for x
    x = 547,798,407,104.79/836,888.16
  6. Step 6: Final answer
    x = 654,565.85

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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.