Home / 925,902.59-1,277,795.21-517,980.10

Finding the Fourth Proportional to 925,902.59, 1,277,795.21 and 517,980.10

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Solution

The fourth proportional to 925,902.59, 1,277,795.21 and 517,980.10 is: 714,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,902.59 : 1,277,795.21 = 517,980.10 : x
  2. Step 2: Convert to fraction form
    925,902.59/1,277,795.21 = 517,980.10/x
  3. Step 3: Cross multiply
    925,902.59x = 1,277,795.21 × 517,980.10
  4. Step 4: Simplify right side
    925,902.59x = 661,872,490,655.32
  5. Step 5: Solve for x
    x = 661,872,490,655.32/925,902.59
  6. Step 6: Final answer
    x = 714,840.31

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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.