Home / 1,314,145.08-1,971,233.28-515,802.60

Finding the Fourth Proportional to 1,314,145.08, 1,971,233.28 and 515,802.60

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Solution

The fourth proportional to 1,314,145.08, 1,971,233.28 and 515,802.60 is: 773,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,145.08 : 1,971,233.28 = 515,802.60 : x
  2. Step 2: Convert to fraction form
    1,314,145.08/1,971,233.28 = 515,802.60/x
  3. Step 3: Cross multiply
    1,314,145.08x = 1,971,233.28 × 515,802.60
  4. Step 4: Simplify right side
    1,314,145.08x = 1,016,767,251,030.53
  5. Step 5: Solve for x
    x = 1,016,767,251,030.53/1,314,145.08
  6. Step 6: Final answer
    x = 773,710.05

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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.