Home / 1,779,509.60-2,669,005.20-517,205.60

Finding the Fourth Proportional to 1,779,509.60, 2,669,005.20 and 517,205.60

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Solution

The fourth proportional to 1,779,509.60, 2,669,005.20 and 517,205.60 is: 775,733.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,509.60 : 2,669,005.20 = 517,205.60 : x
  2. Step 2: Convert to fraction form
    1,779,509.60/2,669,005.20 = 517,205.60/x
  3. Step 3: Cross multiply
    1,779,509.60x = 2,669,005.20 × 517,205.60
  4. Step 4: Simplify right side
    1,779,509.60x = 1,380,424,435,869.12
  5. Step 5: Solve for x
    x = 1,380,424,435,869.12/1,779,509.60
  6. Step 6: Final answer
    x = 775,733.06

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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.