Home / 778,095.18-1,167,131.16-474,578.46

Finding the Fourth Proportional to 778,095.18, 1,167,131.16 and 474,578.46

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Solution

The fourth proportional to 778,095.18, 1,167,131.16 and 474,578.46 is: 711,860.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,095.18 : 1,167,131.16 = 474,578.46 : x
  2. Step 2: Convert to fraction form
    778,095.18/1,167,131.16 = 474,578.46/x
  3. Step 3: Cross multiply
    778,095.18x = 1,167,131.16 × 474,578.46
  4. Step 4: Simplify right side
    778,095.18x = 553,895,308,530.81
  5. Step 5: Solve for x
    x = 553,895,308,530.81/778,095.18
  6. Step 6: Final answer
    x = 711,860.61

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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.