Home / 955,340.19-1,318,389.89-525,621.56

Finding the Fourth Proportional to 955,340.19, 1,318,389.89 and 525,621.56

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Solution

The fourth proportional to 955,340.19, 1,318,389.89 and 525,621.56 is: 725,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,340.19 : 1,318,389.89 = 525,621.56 : x
  2. Step 2: Convert to fraction form
    955,340.19/1,318,389.89 = 525,621.56/x
  3. Step 3: Cross multiply
    955,340.19x = 1,318,389.89 × 525,621.56
  4. Step 4: Simplify right side
    955,340.19x = 692,974,141,449.97
  5. Step 5: Solve for x
    x = 692,974,141,449.97/955,340.19
  6. Step 6: Final answer
    x = 725,368.98

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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.