Home / 1,314,931.10-1,972,396.65-515,801.30

Finding the Fourth Proportional to 1,314,931.10, 1,972,396.65 and 515,801.30

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Solution

The fourth proportional to 1,314,931.10, 1,972,396.65 and 515,801.30 is: 773,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,931.10 : 1,972,396.65 = 515,801.30 : x
  2. Step 2: Convert to fraction form
    1,314,931.10/1,972,396.65 = 515,801.30/x
  3. Step 3: Cross multiply
    1,314,931.10x = 1,972,396.65 × 515,801.30
  4. Step 4: Simplify right side
    1,314,931.10x = 1,017,364,756,185.64
  5. Step 5: Solve for x
    x = 1,017,364,756,185.64/1,314,931.10
  6. Step 6: Final answer
    x = 773,701.95

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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.