Home / 1,205,357.48-1,663,283.34-715,242.54

Finding the Fourth Proportional to 1,205,357.48, 1,663,283.34 and 715,242.54

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Solution

The fourth proportional to 1,205,357.48, 1,663,283.34 and 715,242.54 is: 986,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,357.48 : 1,663,283.34 = 715,242.54 : x
  2. Step 2: Convert to fraction form
    1,205,357.48/1,663,283.34 = 715,242.54/x
  3. Step 3: Cross multiply
    1,205,357.48x = 1,663,283.34 × 715,242.54
  4. Step 4: Simplify right side
    1,205,357.48x = 1,189,651,000,841.28
  5. Step 5: Solve for x
    x = 1,189,651,000,841.28/1,205,357.48
  6. Step 6: Final answer
    x = 986,969.44

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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.