Home / 875,310.80-1,312,966.20-735,342.80

Finding the Fourth Proportional to 875,310.80, 1,312,966.20 and 735,342.80

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Solution

The fourth proportional to 875,310.80, 1,312,966.20 and 735,342.80 is: 1,103,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,310.80 : 1,312,966.20 = 735,342.80 : x
  2. Step 2: Convert to fraction form
    875,310.80/1,312,966.20 = 735,342.80/x
  3. Step 3: Cross multiply
    875,310.80x = 1,312,966.20 × 735,342.80
  4. Step 4: Simplify right side
    875,310.80x = 965,480,241,813.36
  5. Step 5: Solve for x
    x = 965,480,241,813.36/875,310.80
  6. Step 6: Final answer
    x = 1,103,014.20

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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.