Home / 1,398,773.04-1,930,303.80-786,926.22

Finding the Fourth Proportional to 1,398,773.04, 1,930,303.80 and 786,926.22

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Solution

The fourth proportional to 1,398,773.04, 1,930,303.80 and 786,926.22 is: 1,085,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,773.04 : 1,930,303.80 = 786,926.22 : x
  2. Step 2: Convert to fraction form
    1,398,773.04/1,930,303.80 = 786,926.22/x
  3. Step 3: Cross multiply
    1,398,773.04x = 1,930,303.80 × 786,926.22
  4. Step 4: Simplify right side
    1,398,773.04x = 1,519,006,672,785.64
  5. Step 5: Solve for x
    x = 1,519,006,672,785.64/1,398,773.04
  6. Step 6: Final answer
    x = 1,085,956.50

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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.