Home / 838,497.17-1,157,067.69-475,928.40

Finding the Fourth Proportional to 838,497.17, 1,157,067.69 and 475,928.40

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Solution

The fourth proportional to 838,497.17, 1,157,067.69 and 475,928.40 is: 656,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,497.17 : 1,157,067.69 = 475,928.40 : x
  2. Step 2: Convert to fraction form
    838,497.17/1,157,067.69 = 475,928.40/x
  3. Step 3: Cross multiply
    838,497.17x = 1,157,067.69 × 475,928.40
  4. Step 4: Simplify right side
    838,497.17x = 550,681,374,393.40
  5. Step 5: Solve for x
    x = 550,681,374,393.40/838,497.17
  6. Step 6: Final answer
    x = 656,748.05

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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.