Home / 714,539.06-986,038.36-404,434.98

Finding the Fourth Proportional to 714,539.06, 986,038.36 and 404,434.98

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Solution

The fourth proportional to 714,539.06, 986,038.36 and 404,434.98 is: 558,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,539.06 : 986,038.36 = 404,434.98 : x
  2. Step 2: Convert to fraction form
    714,539.06/986,038.36 = 404,434.98/x
  3. Step 3: Cross multiply
    714,539.06x = 986,038.36 × 404,434.98
  4. Step 4: Simplify right side
    714,539.06x = 398,788,404,405.83
  5. Step 5: Solve for x
    x = 398,788,404,405.83/714,539.06
  6. Step 6: Final answer
    x = 558,105.81

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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.