Home / 1,185,793.60-1,779,856.80-587,430.40

Finding the Fourth Proportional to 1,185,793.60, 1,779,856.80 and 587,430.40

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Solution

The fourth proportional to 1,185,793.60, 1,779,856.80 and 587,430.40 is: 881,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,793.60 : 1,779,856.80 = 587,430.40 : x
  2. Step 2: Convert to fraction form
    1,185,793.60/1,779,856.80 = 587,430.40/x
  3. Step 3: Cross multiply
    1,185,793.60x = 1,779,856.80 × 587,430.40
  4. Step 4: Simplify right side
    1,185,793.60x = 1,045,541,991,966.72
  5. Step 5: Solve for x
    x = 1,045,541,991,966.72/1,185,793.60
  6. Step 6: Final answer
    x = 881,723.42

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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.