Home / 972,441.10-1,342,144.40-579,999.24

Finding the Fourth Proportional to 972,441.10, 1,342,144.40 and 579,999.24

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Solution

The fourth proportional to 972,441.10, 1,342,144.40 and 579,999.24 is: 800,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,441.10 : 1,342,144.40 = 579,999.24 : x
  2. Step 2: Convert to fraction form
    972,441.10/1,342,144.40 = 579,999.24/x
  3. Step 3: Cross multiply
    972,441.10x = 1,342,144.40 × 579,999.24
  4. Step 4: Simplify right side
    972,441.10x = 778,442,729,070.26
  5. Step 5: Solve for x
    x = 778,442,729,070.26/972,441.10
  6. Step 6: Final answer
    x = 800,503.73

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Double scale
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Similar ratio
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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.