Home / 814,503.60-1,221,755.40-514,009.80

Finding the Fourth Proportional to 814,503.60, 1,221,755.40 and 514,009.80

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Solution

The fourth proportional to 814,503.60, 1,221,755.40 and 514,009.80 is: 771,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,503.60 : 1,221,755.40 = 514,009.80 : x
  2. Step 2: Convert to fraction form
    814,503.60/1,221,755.40 = 514,009.80/x
  3. Step 3: Cross multiply
    814,503.60x = 1,221,755.40 × 514,009.80
  4. Step 4: Simplify right side
    814,503.60x = 627,994,248,802.92
  5. Step 5: Solve for x
    x = 627,994,248,802.92/814,503.60
  6. Step 6: Final answer
    x = 771,014.70

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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.