Home / 1,252,705.60-1,879,057.64-453,985.86

Finding the Fourth Proportional to 1,252,705.60, 1,879,057.64 and 453,985.86

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Solution

The fourth proportional to 1,252,705.60, 1,879,057.64 and 453,985.86 is: 680,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,705.60 : 1,879,057.64 = 453,985.86 : x
  2. Step 2: Convert to fraction form
    1,252,705.60/1,879,057.64 = 453,985.86/x
  3. Step 3: Cross multiply
    1,252,705.60x = 1,879,057.64 × 453,985.86
  4. Step 4: Simplify right side
    1,252,705.60x = 853,065,606,866.40
  5. Step 5: Solve for x
    x = 853,065,606,866.40/1,252,705.60
  6. Step 6: Final answer
    x = 680,978.52

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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.