Home / 1,226,955.60-1,693,182.62-710,779.86

Finding the Fourth Proportional to 1,226,955.60, 1,693,182.62 and 710,779.86

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Solution

The fourth proportional to 1,226,955.60, 1,693,182.62 and 710,779.86 is: 980,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,955.60 : 1,693,182.62 = 710,779.86 : x
  2. Step 2: Convert to fraction form
    1,226,955.60/1,693,182.62 = 710,779.86/x
  3. Step 3: Cross multiply
    1,226,955.60x = 1,693,182.62 × 710,779.86
  4. Step 4: Simplify right side
    1,226,955.60x = 1,203,480,107,374.98
  5. Step 5: Solve for x
    x = 1,203,480,107,374.98/1,226,955.60
  6. Step 6: Final answer
    x = 980,866.88

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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.