Home / 1,465,718.60-2,022,642.56-812,316.81

Finding the Fourth Proportional to 1,465,718.60, 2,022,642.56 and 812,316.81

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Solution

The fourth proportional to 1,465,718.60, 2,022,642.56 and 812,316.81 is: 1,120,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,718.60 : 2,022,642.56 = 812,316.81 : x
  2. Step 2: Convert to fraction form
    1,465,718.60/2,022,642.56 = 812,316.81/x
  3. Step 3: Cross multiply
    1,465,718.60x = 2,022,642.56 × 812,316.81
  4. Step 4: Simplify right side
    1,465,718.60x = 1,643,026,554,140.23
  5. Step 5: Solve for x
    x = 1,643,026,554,140.23/1,465,718.60
  6. Step 6: Final answer
    x = 1,120,969.98

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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.