Home / 1,151,734.80-1,727,602.20-403,780.80

Finding the Fourth Proportional to 1,151,734.80, 1,727,602.20 and 403,780.80

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Solution

The fourth proportional to 1,151,734.80, 1,727,602.20 and 403,780.80 is: 605,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,734.80 : 1,727,602.20 = 403,780.80 : x
  2. Step 2: Convert to fraction form
    1,151,734.80/1,727,602.20 = 403,780.80/x
  3. Step 3: Cross multiply
    1,151,734.80x = 1,727,602.20 × 403,780.80
  4. Step 4: Simplify right side
    1,151,734.80x = 697,572,598,397.76
  5. Step 5: Solve for x
    x = 697,572,598,397.76/1,151,734.80
  6. Step 6: Final answer
    x = 605,671.20

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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.