Home / 1,543,700.64-2,130,282-864,635.04

Finding the Fourth Proportional to 1,543,700.64, 2,130,282 and 864,635.04

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Solution

The fourth proportional to 1,543,700.64, 2,130,282 and 864,635.04 is: 1,193,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,700.64 : 2,130,282 = 864,635.04 : x
  2. Step 2: Convert to fraction form
    1,543,700.64/2,130,282 = 864,635.04/x
  3. Step 3: Cross multiply
    1,543,700.64x = 2,130,282 × 864,635.04
  4. Step 4: Simplify right side
    1,543,700.64x = 1,841,916,462,281.28
  5. Step 5: Solve for x
    x = 1,841,916,462,281.28/1,543,700.64
  6. Step 6: Final answer
    x = 1,193,182.42

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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.