Home / 1,779,374.40-2,669,061.60-1,069,036.80

Finding the Fourth Proportional to 1,779,374.40, 2,669,061.60 and 1,069,036.80

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Solution

The fourth proportional to 1,779,374.40, 2,669,061.60 and 1,069,036.80 is: 1,603,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,374.40 : 2,669,061.60 = 1,069,036.80 : x
  2. Step 2: Convert to fraction form
    1,779,374.40/2,669,061.60 = 1,069,036.80/x
  3. Step 3: Cross multiply
    1,779,374.40x = 2,669,061.60 × 1,069,036.80
  4. Step 4: Simplify right side
    1,779,374.40x = 2,853,325,071,866.88
  5. Step 5: Solve for x
    x = 2,853,325,071,866.88/1,779,374.40
  6. Step 6: Final answer
    x = 1,603,555.20

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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.