Home / 888,159.28-1,225,629.48-506,309.08

Finding the Fourth Proportional to 888,159.28, 1,225,629.48 and 506,309.08

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Solution

The fourth proportional to 888,159.28, 1,225,629.48 and 506,309.08 is: 698,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,159.28 : 1,225,629.48 = 506,309.08 : x
  2. Step 2: Convert to fraction form
    888,159.28/1,225,629.48 = 506,309.08/x
  3. Step 3: Cross multiply
    888,159.28x = 1,225,629.48 × 506,309.08
  4. Step 4: Simplify right side
    888,159.28x = 620,547,334,439.68
  5. Step 5: Solve for x
    x = 620,547,334,439.68/888,159.28
  6. Step 6: Final answer
    x = 698,689.24

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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.