Home / 840,727.83-1,160,503.52-496,565.07

Finding the Fourth Proportional to 840,727.83, 1,160,503.52 and 496,565.07

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Solution

The fourth proportional to 840,727.83, 1,160,503.52 and 496,565.07 is: 685,436.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,727.83 : 1,160,503.52 = 496,565.07 : x
  2. Step 2: Convert to fraction form
    840,727.83/1,160,503.52 = 496,565.07/x
  3. Step 3: Cross multiply
    840,727.83x = 1,160,503.52 × 496,565.07
  4. Step 4: Simplify right side
    840,727.83x = 576,265,509,161.22
  5. Step 5: Solve for x
    x = 576,265,509,161.22/840,727.83
  6. Step 6: Final answer
    x = 685,436.46

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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.