Home / 662,693.13-914,590.75-401,192.58

Finding the Fourth Proportional to 662,693.13, 914,590.75 and 401,192.58

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Solution

The fourth proportional to 662,693.13, 914,590.75 and 401,192.58 is: 553,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,693.13 : 914,590.75 = 401,192.58 : x
  2. Step 2: Convert to fraction form
    662,693.13/914,590.75 = 401,192.58/x
  3. Step 3: Cross multiply
    662,693.13x = 914,590.75 × 401,192.58
  4. Step 4: Simplify right side
    662,693.13x = 366,927,019,568.15
  5. Step 5: Solve for x
    x = 366,927,019,568.15/662,693.13
  6. Step 6: Final answer
    x = 553,690.69

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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.