Home / 840,623.36-1,160,488.32-649,207.04

Finding the Fourth Proportional to 840,623.36, 1,160,488.32 and 649,207.04

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Solution

The fourth proportional to 840,623.36, 1,160,488.32 and 649,207.04 is: 896,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,623.36 : 1,160,488.32 = 649,207.04 : x
  2. Step 2: Convert to fraction form
    840,623.36/1,160,488.32 = 649,207.04/x
  3. Step 3: Cross multiply
    840,623.36x = 1,160,488.32 × 649,207.04
  4. Step 4: Simplify right side
    840,623.36x = 753,397,187,181.77
  5. Step 5: Solve for x
    x = 753,397,187,181.77/840,623.36
  6. Step 6: Final answer
    x = 896,236.32

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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.