Home / 1,314,117.36-1,971,389.04-514,965.60

Finding the Fourth Proportional to 1,314,117.36, 1,971,389.04 and 514,965.60

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Solution

The fourth proportional to 1,314,117.36, 1,971,389.04 and 514,965.60 is: 772,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,117.36 : 1,971,389.04 = 514,965.60 : x
  2. Step 2: Convert to fraction form
    1,314,117.36/1,971,389.04 = 514,965.60/x
  3. Step 3: Cross multiply
    1,314,117.36x = 1,971,389.04 × 514,965.60
  4. Step 4: Simplify right side
    1,314,117.36x = 1,015,197,539,817.02
  5. Step 5: Solve for x
    x = 1,015,197,539,817.02/1,314,117.36
  6. Step 6: Final answer
    x = 772,531.87

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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.