Home / 874,607.16-1,206,545.29-511,806.40

Finding the Fourth Proportional to 874,607.16, 1,206,545.29 and 511,806.40

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Solution

The fourth proportional to 874,607.16, 1,206,545.29 and 511,806.40 is: 706,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,607.16 : 1,206,545.29 = 511,806.40 : x
  2. Step 2: Convert to fraction form
    874,607.16/1,206,545.29 = 511,806.40/x
  3. Step 3: Cross multiply
    874,607.16x = 1,206,545.29 × 511,806.40
  4. Step 4: Simplify right side
    874,607.16x = 617,517,601,311.86
  5. Step 5: Solve for x
    x = 617,517,601,311.86/874,607.16
  6. Step 6: Final answer
    x = 706,051.39

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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.