Home / 1,038,702.30-1,558,053.45-684,116.70

Finding the Fourth Proportional to 1,038,702.30, 1,558,053.45 and 684,116.70

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Solution

The fourth proportional to 1,038,702.30, 1,558,053.45 and 684,116.70 is: 1,026,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,702.30 : 1,558,053.45 = 684,116.70 : x
  2. Step 2: Convert to fraction form
    1,038,702.30/1,558,053.45 = 684,116.70/x
  3. Step 3: Cross multiply
    1,038,702.30x = 1,558,053.45 × 684,116.70
  4. Step 4: Simplify right side
    1,038,702.30x = 1,065,890,384,637.61
  5. Step 5: Solve for x
    x = 1,065,890,384,637.61/1,038,702.30
  6. Step 6: Final answer
    x = 1,026,175.05

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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.