Home / 1,123,253.19-1,550,090.21-613,955.57

Finding the Fourth Proportional to 1,123,253.19, 1,550,090.21 and 613,955.57

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Solution

The fourth proportional to 1,123,253.19, 1,550,090.21 and 613,955.57 is: 847,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,253.19 : 1,550,090.21 = 613,955.57 : x
  2. Step 2: Convert to fraction form
    1,123,253.19/1,550,090.21 = 613,955.57/x
  3. Step 3: Cross multiply
    1,123,253.19x = 1,550,090.21 × 613,955.57
  4. Step 4: Simplify right side
    1,123,253.19x = 951,686,507,611.74
  5. Step 5: Solve for x
    x = 951,686,507,611.74/1,123,253.19
  6. Step 6: Final answer
    x = 847,259.12

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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.