Home / 1,235,807.60-1,850,082.60-921,657.20

Finding the Fourth Proportional to 1,235,807.60, 1,850,082.60 and 921,657.20

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Solution

The fourth proportional to 1,235,807.60, 1,850,082.60 and 921,657.20 is: 1,379,779.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,807.60 : 1,850,082.60 = 921,657.20 : x
  2. Step 2: Convert to fraction form
    1,235,807.60/1,850,082.60 = 921,657.20/x
  3. Step 3: Cross multiply
    1,235,807.60x = 1,850,082.60 × 921,657.20
  4. Step 4: Simplify right side
    1,235,807.60x = 1,705,141,948,884.72
  5. Step 5: Solve for x
    x = 1,705,141,948,884.72/1,235,807.60
  6. Step 6: Final answer
    x = 1,379,779.46

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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.