Home / 887,156.42-1,223,001.16-632,064.74

Finding the Fourth Proportional to 887,156.42, 1,223,001.16 and 632,064.74

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Solution

The fourth proportional to 887,156.42, 1,223,001.16 and 632,064.74 is: 871,341.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,156.42 : 1,223,001.16 = 632,064.74 : x
  2. Step 2: Convert to fraction form
    887,156.42/1,223,001.16 = 632,064.74/x
  3. Step 3: Cross multiply
    887,156.42x = 1,223,001.16 × 632,064.74
  4. Step 4: Simplify right side
    887,156.42x = 773,015,910,215.10
  5. Step 5: Solve for x
    x = 773,015,910,215.10/887,156.42
  6. Step 6: Final answer
    x = 871,341.17

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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.