Home / 875,110.80-1,312,666.20-735,142.80

Finding the Fourth Proportional to 875,110.80, 1,312,666.20 and 735,142.80

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Solution

The fourth proportional to 875,110.80, 1,312,666.20 and 735,142.80 is: 1,102,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,110.80 : 1,312,666.20 = 735,142.80 : x
  2. Step 2: Convert to fraction form
    875,110.80/1,312,666.20 = 735,142.80/x
  3. Step 3: Cross multiply
    875,110.80x = 1,312,666.20 × 735,142.80
  4. Step 4: Simplify right side
    875,110.80x = 964,997,105,733.36
  5. Step 5: Solve for x
    x = 964,997,105,733.36/875,110.80
  6. Step 6: Final answer
    x = 1,102,714.20

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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.