Home / 972,445.80-1,342,150.86-580,003.94

Finding the Fourth Proportional to 972,445.80, 1,342,150.86 and 580,003.94

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Solution

The fourth proportional to 972,445.80, 1,342,150.86 and 580,003.94 is: 800,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,445.80 : 1,342,150.86 = 580,003.94 : x
  2. Step 2: Convert to fraction form
    972,445.80/1,342,150.86 = 580,003.94/x
  3. Step 3: Cross multiply
    972,445.80x = 1,342,150.86 × 580,003.94
  4. Step 4: Simplify right side
    972,445.80x = 778,452,792,404.78
  5. Step 5: Solve for x
    x = 778,452,792,404.78/972,445.80
  6. Step 6: Final answer
    x = 800,510.21

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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.