Home / 1,205,368.42-1,663,356.02-661,513.24

Finding the Fourth Proportional to 1,205,368.42, 1,663,356.02 and 661,513.24

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Solution

The fourth proportional to 1,205,368.42, 1,663,356.02 and 661,513.24 is: 912,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,368.42 : 1,663,356.02 = 661,513.24 : x
  2. Step 2: Convert to fraction form
    1,205,368.42/1,663,356.02 = 661,513.24/x
  3. Step 3: Cross multiply
    1,205,368.42x = 1,663,356.02 × 661,513.24
  4. Step 4: Simplify right side
    1,205,368.42x = 1,100,332,030,063.70
  5. Step 5: Solve for x
    x = 1,100,332,030,063.70/1,205,368.42
  6. Step 6: Final answer
    x = 912,859.51

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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.