Home / 853,397.77-1,177,645.62-471,350.74

Finding the Fourth Proportional to 853,397.77, 1,177,645.62 and 471,350.74

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Solution

The fourth proportional to 853,397.77, 1,177,645.62 and 471,350.74 is: 650,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,397.77 : 1,177,645.62 = 471,350.74 : x
  2. Step 2: Convert to fraction form
    853,397.77/1,177,645.62 = 471,350.74/x
  3. Step 3: Cross multiply
    853,397.77x = 1,177,645.62 × 471,350.74
  4. Step 4: Simplify right side
    853,397.77x = 555,084,134,444.76
  5. Step 5: Solve for x
    x = 555,084,134,444.76/853,397.77
  6. Step 6: Final answer
    x = 650,440.10

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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.