Home / 676,772.55-933,945.93-404,851.86

Finding the Fourth Proportional to 676,772.55, 933,945.93 and 404,851.86

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Solution

The fourth proportional to 676,772.55, 933,945.93 and 404,851.86 is: 558,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,772.55 : 933,945.93 = 404,851.86 : x
  2. Step 2: Convert to fraction form
    676,772.55/933,945.93 = 404,851.86/x
  3. Step 3: Cross multiply
    676,772.55x = 933,945.93 × 404,851.86
  4. Step 4: Simplify right side
    676,772.55x = 378,109,746,899.93
  5. Step 5: Solve for x
    x = 378,109,746,899.93/676,772.55
  6. Step 6: Final answer
    x = 558,695.45

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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.