Home / 460,985.16-691,740.18-368,081.40

Finding the Fourth Proportional to 460,985.16, 691,740.18 and 368,081.40

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Solution

The fourth proportional to 460,985.16, 691,740.18 and 368,081.40 is: 552,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,985.16 : 691,740.18 = 368,081.40 : x
  2. Step 2: Convert to fraction form
    460,985.16/691,740.18 = 368,081.40/x
  3. Step 3: Cross multiply
    460,985.16x = 691,740.18 × 368,081.40
  4. Step 4: Simplify right side
    460,985.16x = 254,616,693,890.65
  5. Step 5: Solve for x
    x = 254,616,693,890.65/460,985.16
  6. Step 6: Final answer
    x = 552,331.65

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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.