Home / 1,386,297.60-1,912,037.28-1,193,026.74

Finding the Fourth Proportional to 1,386,297.60, 1,912,037.28 and 1,193,026.74

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Solution

The fourth proportional to 1,386,297.60, 1,912,037.28 and 1,193,026.74 is: 1,645,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,297.60 : 1,912,037.28 = 1,193,026.74 : x
  2. Step 2: Convert to fraction form
    1,386,297.60/1,912,037.28 = 1,193,026.74/x
  3. Step 3: Cross multiply
    1,386,297.60x = 1,912,037.28 × 1,193,026.74
  4. Step 4: Simplify right side
    1,386,297.60x = 2,281,111,602,916.87
  5. Step 5: Solve for x
    x = 2,281,111,602,916.87/1,386,297.60
  6. Step 6: Final answer
    x = 1,645,470.35

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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.