Home / 989,611.40-1,484,417.10-590,702.60

Finding the Fourth Proportional to 989,611.40, 1,484,417.10 and 590,702.60

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Solution

The fourth proportional to 989,611.40, 1,484,417.10 and 590,702.60 is: 886,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,611.40 : 1,484,417.10 = 590,702.60 : x
  2. Step 2: Convert to fraction form
    989,611.40/1,484,417.10 = 590,702.60/x
  3. Step 3: Cross multiply
    989,611.40x = 1,484,417.10 × 590,702.60
  4. Step 4: Simplify right side
    989,611.40x = 876,849,040,454.46
  5. Step 5: Solve for x
    x = 876,849,040,454.46/989,611.40
  6. Step 6: Final answer
    x = 886,053.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.