Home / 1,099,145.40-1,516,803.98-615,727.81

Finding the Fourth Proportional to 1,099,145.40, 1,516,803.98 and 615,727.81

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Solution

The fourth proportional to 1,099,145.40, 1,516,803.98 and 615,727.81 is: 849,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,145.40 : 1,516,803.98 = 615,727.81 : x
  2. Step 2: Convert to fraction form
    1,099,145.40/1,516,803.98 = 615,727.81/x
  3. Step 3: Cross multiply
    1,099,145.40x = 1,516,803.98 × 615,727.81
  4. Step 4: Simplify right side
    1,099,145.40x = 933,938,391,622.05
  5. Step 5: Solve for x
    x = 933,938,391,622.05/1,099,145.40
  6. Step 6: Final answer
    x = 849,695.04

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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.