Home / 1,007,456.95-1,390,284.63-548,570.43

Finding the Fourth Proportional to 1,007,456.95, 1,390,284.63 and 548,570.43

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Solution

The fourth proportional to 1,007,456.95, 1,390,284.63 and 548,570.43 is: 757,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,456.95 : 1,390,284.63 = 548,570.43 : x
  2. Step 2: Convert to fraction form
    1,007,456.95/1,390,284.63 = 548,570.43/x
  3. Step 3: Cross multiply
    1,007,456.95x = 1,390,284.63 × 548,570.43
  4. Step 4: Simplify right side
    1,007,456.95x = 762,669,037,301.49
  5. Step 5: Solve for x
    x = 762,669,037,301.49/1,007,456.95
  6. Step 6: Final answer
    x = 757,023.95

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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.