Home / 1,124,082.81-1,551,195.84-640,803.60

Finding the Fourth Proportional to 1,124,082.81, 1,551,195.84 and 640,803.60

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Solution

The fourth proportional to 1,124,082.81, 1,551,195.84 and 640,803.60 is: 884,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,082.81 : 1,551,195.84 = 640,803.60 : x
  2. Step 2: Convert to fraction form
    1,124,082.81/1,551,195.84 = 640,803.60/x
  3. Step 3: Cross multiply
    1,124,082.81x = 1,551,195.84 × 640,803.60
  4. Step 4: Simplify right side
    1,124,082.81x = 994,011,878,577.02
  5. Step 5: Solve for x
    x = 994,011,878,577.02/1,124,082.81
  6. Step 6: Final answer
    x = 884,287.06

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1.5x scale

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.