Home / 1,022,545.80-1,411,218.72-614,781

Finding the Fourth Proportional to 1,022,545.80, 1,411,218.72 and 614,781

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Solution

The fourth proportional to 1,022,545.80, 1,411,218.72 and 614,781 is: 848,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,545.80 : 1,411,218.72 = 614,781 : x
  2. Step 2: Convert to fraction form
    1,022,545.80/1,411,218.72 = 614,781/x
  3. Step 3: Cross multiply
    1,022,545.80x = 1,411,218.72 × 614,781
  4. Step 4: Simplify right side
    1,022,545.80x = 867,590,455,900.32
  5. Step 5: Solve for x
    x = 867,590,455,900.32/1,022,545.80
  6. Step 6: Final answer
    x = 848,461.22

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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.