Home / 890,397.16-1,336,034.22-417,000.76

Finding the Fourth Proportional to 890,397.16, 1,336,034.22 and 417,000.76

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Solution

The fourth proportional to 890,397.16, 1,336,034.22 and 417,000.76 is: 625,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,397.16 : 1,336,034.22 = 417,000.76 : x
  2. Step 2: Convert to fraction form
    890,397.16/1,336,034.22 = 417,000.76/x
  3. Step 3: Cross multiply
    890,397.16x = 1,336,034.22 × 417,000.76
  4. Step 4: Simplify right side
    890,397.16x = 557,127,276,360.83
  5. Step 5: Solve for x
    x = 557,127,276,360.83/890,397.16
  6. Step 6: Final answer
    x = 625,706.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.