Home / 1,138,562.96-1,705,482.36-663,808.40

Finding the Fourth Proportional to 1,138,562.96, 1,705,482.36 and 663,808.40

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Solution

The fourth proportional to 1,138,562.96, 1,705,482.36 and 663,808.40 is: 994,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,562.96 : 1,705,482.36 = 663,808.40 : x
  2. Step 2: Convert to fraction form
    1,138,562.96/1,705,482.36 = 663,808.40/x
  3. Step 3: Cross multiply
    1,138,562.96x = 1,705,482.36 × 663,808.40
  4. Step 4: Simplify right side
    1,138,562.96x = 1,132,113,516,619.82
  5. Step 5: Solve for x
    x = 1,132,113,516,619.82/1,138,562.96
  6. Step 6: Final answer
    x = 994,335.45

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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.