Home / 841,275.64-1,259,901.72-485,210.17

Finding the Fourth Proportional to 841,275.64, 1,259,901.72 and 485,210.17

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Solution

The fourth proportional to 841,275.64, 1,259,901.72 and 485,210.17 is: 726,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,275.64 : 1,259,901.72 = 485,210.17 : x
  2. Step 2: Convert to fraction form
    841,275.64/1,259,901.72 = 485,210.17/x
  3. Step 3: Cross multiply
    841,275.64x = 1,259,901.72 × 485,210.17
  4. Step 4: Simplify right side
    841,275.64x = 611,317,127,744.49
  5. Step 5: Solve for x
    x = 611,317,127,744.49/841,275.64
  6. Step 6: Final answer
    x = 726,654.97

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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.