Home / 1,314,690.16-1,972,253.28-461,540.40

Finding the Fourth Proportional to 1,314,690.16, 1,972,253.28 and 461,540.40

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Solution

The fourth proportional to 1,314,690.16, 1,972,253.28 and 461,540.40 is: 692,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,690.16 : 1,972,253.28 = 461,540.40 : x
  2. Step 2: Convert to fraction form
    1,314,690.16/1,972,253.28 = 461,540.40/x
  3. Step 3: Cross multiply
    1,314,690.16x = 1,972,253.28 × 461,540.40
  4. Step 4: Simplify right side
    1,314,690.16x = 910,274,567,752.51
  5. Step 5: Solve for x
    x = 910,274,567,752.51/1,314,690.16
  6. Step 6: Final answer
    x = 692,387.15

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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.