Home / 880,585.17-1,215,212.31-498,686.37

Finding the Fourth Proportional to 880,585.17, 1,215,212.31 and 498,686.37

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Solution

The fourth proportional to 880,585.17, 1,215,212.31 and 498,686.37 is: 688,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,585.17 : 1,215,212.31 = 498,686.37 : x
  2. Step 2: Convert to fraction form
    880,585.17/1,215,212.31 = 498,686.37/x
  3. Step 3: Cross multiply
    880,585.17x = 1,215,212.31 × 498,686.37
  4. Step 4: Simplify right side
    880,585.17x = 606,009,815,653.22
  5. Step 5: Solve for x
    x = 606,009,815,653.22/880,585.17
  6. Step 6: Final answer
    x = 688,189.89

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1.5x scale

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.