Home / 840,611.07-1,160,047.08-458,645.85

Finding the Fourth Proportional to 840,611.07, 1,160,047.08 and 458,645.85

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Solution

The fourth proportional to 840,611.07, 1,160,047.08 and 458,645.85 is: 632,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,611.07 : 1,160,047.08 = 458,645.85 : x
  2. Step 2: Convert to fraction form
    840,611.07/1,160,047.08 = 458,645.85/x
  3. Step 3: Cross multiply
    840,611.07x = 1,160,047.08 × 458,645.85
  4. Step 4: Simplify right side
    840,611.07x = 532,050,779,046.62
  5. Step 5: Solve for x
    x = 532,050,779,046.62/840,611.07
  6. Step 6: Final answer
    x = 632,933.35

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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.