Home / 974,083.95-1,344,119.42-538,442.45

Finding the Fourth Proportional to 974,083.95, 1,344,119.42 and 538,442.45

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Solution

The fourth proportional to 974,083.95, 1,344,119.42 and 538,442.45 is: 742,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,083.95 : 1,344,119.42 = 538,442.45 : x
  2. Step 2: Convert to fraction form
    974,083.95/1,344,119.42 = 538,442.45/x
  3. Step 3: Cross multiply
    974,083.95x = 1,344,119.42 × 538,442.45
  4. Step 4: Simplify right side
    974,083.95x = 723,730,944,184.57
  5. Step 5: Solve for x
    x = 723,730,944,184.57/974,083.95
  6. Step 6: Final answer
    x = 742,986.21

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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.