Home / 1,098,566.98-1,516,065.74-615,127.80

Finding the Fourth Proportional to 1,098,566.98, 1,516,065.74 and 615,127.80

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Solution

The fourth proportional to 1,098,566.98, 1,516,065.74 and 615,127.80 is: 848,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,566.98 : 1,516,065.74 = 615,127.80 : x
  2. Step 2: Convert to fraction form
    1,098,566.98/1,516,065.74 = 615,127.80/x
  3. Step 3: Cross multiply
    1,098,566.98x = 1,516,065.74 × 615,127.80
  4. Step 4: Simplify right side
    1,098,566.98x = 932,574,183,301.57
  5. Step 5: Solve for x
    x = 932,574,183,301.57/1,098,566.98
  6. Step 6: Final answer
    x = 848,900.61

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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.