Home / 1,127,718.60-1,691,642.70-329,123.40

Finding the Fourth Proportional to 1,127,718.60, 1,691,642.70 and 329,123.40

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Solution

The fourth proportional to 1,127,718.60, 1,691,642.70 and 329,123.40 is: 493,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,718.60 : 1,691,642.70 = 329,123.40 : x
  2. Step 2: Convert to fraction form
    1,127,718.60/1,691,642.70 = 329,123.40/x
  3. Step 3: Cross multiply
    1,127,718.60x = 1,691,642.70 × 329,123.40
  4. Step 4: Simplify right side
    1,127,718.60x = 556,759,197,009.18
  5. Step 5: Solve for x
    x = 556,759,197,009.18/1,127,718.60
  6. Step 6: Final answer
    x = 493,704.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.