Home / 950,930.17-1,312,280.90-521,208.97

Finding the Fourth Proportional to 950,930.17, 1,312,280.90 and 521,208.97

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Solution

The fourth proportional to 950,930.17, 1,312,280.90 and 521,208.97 is: 719,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,930.17 : 1,312,280.90 = 521,208.97 : x
  2. Step 2: Convert to fraction form
    950,930.17/1,312,280.90 = 521,208.97/x
  3. Step 3: Cross multiply
    950,930.17x = 1,312,280.90 × 521,208.97
  4. Step 4: Simplify right side
    950,930.17x = 683,972,574,261.99
  5. Step 5: Solve for x
    x = 683,972,574,261.99/950,930.17
  6. Step 6: Final answer
    x = 719,266.88

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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.