Home / 897,281.70-1,346,160.15-391,625.70

Finding the Fourth Proportional to 897,281.70, 1,346,160.15 and 391,625.70

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Solution

The fourth proportional to 897,281.70, 1,346,160.15 and 391,625.70 is: 587,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,281.70 : 1,346,160.15 = 391,625.70 : x
  2. Step 2: Convert to fraction form
    897,281.70/1,346,160.15 = 391,625.70/x
  3. Step 3: Cross multiply
    897,281.70x = 1,346,160.15 × 391,625.70
  4. Step 4: Simplify right side
    897,281.70x = 527,190,911,055.86
  5. Step 5: Solve for x
    x = 527,190,911,055.86/897,281.70
  6. Step 6: Final answer
    x = 587,542.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.