Home / 1,154,689.76-1,593,407.46-638,413.76

Finding the Fourth Proportional to 1,154,689.76, 1,593,407.46 and 638,413.76

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Solution

The fourth proportional to 1,154,689.76, 1,593,407.46 and 638,413.76 is: 880,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,689.76 : 1,593,407.46 = 638,413.76 : x
  2. Step 2: Convert to fraction form
    1,154,689.76/1,593,407.46 = 638,413.76/x
  3. Step 3: Cross multiply
    1,154,689.76x = 1,593,407.46 × 638,413.76
  4. Step 4: Simplify right side
    1,154,689.76x = 1,017,253,247,750.65
  5. Step 5: Solve for x
    x = 1,017,253,247,750.65/1,154,689.76
  6. Step 6: Final answer
    x = 880,975.38

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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.