Home / 1,285,773.85-1,774,411.05-712,779.85

Finding the Fourth Proportional to 1,285,773.85, 1,774,411.05 and 712,779.85

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Solution

The fourth proportional to 1,285,773.85, 1,774,411.05 and 712,779.85 is: 983,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,773.85 : 1,774,411.05 = 712,779.85 : x
  2. Step 2: Convert to fraction form
    1,285,773.85/1,774,411.05 = 712,779.85/x
  3. Step 3: Cross multiply
    1,285,773.85x = 1,774,411.05 × 712,779.85
  4. Step 4: Simplify right side
    1,285,773.85x = 1,264,764,442,057.34
  5. Step 5: Solve for x
    x = 1,264,764,442,057.34/1,285,773.85
  6. Step 6: Final answer
    x = 983,660.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.