Home / 840,882-1,160,441.76-458,933.28

Finding the Fourth Proportional to 840,882, 1,160,441.76 and 458,933.28

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Solution

The fourth proportional to 840,882, 1,160,441.76 and 458,933.28 is: 633,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,882 : 1,160,441.76 = 458,933.28 : x
  2. Step 2: Convert to fraction form
    840,882/1,160,441.76 = 458,933.28/x
  3. Step 3: Cross multiply
    840,882x = 1,160,441.76 × 458,933.28
  4. Step 4: Simplify right side
    840,882x = 532,565,343,165.77
  5. Step 5: Solve for x
    x = 532,565,343,165.77/840,882
  6. Step 6: Final answer
    x = 633,341.35

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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.