Home / 977,779.20-1,464,595.20-811,891.20

Finding the Fourth Proportional to 977,779.20, 1,464,595.20 and 811,891.20

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Solution

The fourth proportional to 977,779.20, 1,464,595.20 and 811,891.20 is: 1,216,115.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,779.20 : 1,464,595.20 = 811,891.20 : x
  2. Step 2: Convert to fraction form
    977,779.20/1,464,595.20 = 811,891.20/x
  3. Step 3: Cross multiply
    977,779.20x = 1,464,595.20 × 811,891.20
  4. Step 4: Simplify right side
    977,779.20x = 1,189,091,954,442.24
  5. Step 5: Solve for x
    x = 1,189,091,954,442.24/977,779.20
  6. Step 6: Final answer
    x = 1,216,115.00

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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.