Home / 880,145.39-1,213,407.95-752,455.46

Finding the Fourth Proportional to 880,145.39, 1,213,407.95 and 752,455.46

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Solution

The fourth proportional to 880,145.39, 1,213,407.95 and 752,455.46 is: 1,037,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,145.39 : 1,213,407.95 = 752,455.46 : x
  2. Step 2: Convert to fraction form
    880,145.39/1,213,407.95 = 752,455.46/x
  3. Step 3: Cross multiply
    880,145.39x = 1,213,407.95 × 752,455.46
  4. Step 4: Simplify right side
    880,145.39x = 913,035,427,355.59
  5. Step 5: Solve for x
    x = 913,035,427,355.59/880,145.39
  6. Step 6: Final answer
    x = 1,037,368.87

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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.