Home / 1,207,870.76-1,666,893.54-656,623.54

Finding the Fourth Proportional to 1,207,870.76, 1,666,893.54 and 656,623.54

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Solution

The fourth proportional to 1,207,870.76, 1,666,893.54 and 656,623.54 is: 906,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,870.76 : 1,666,893.54 = 656,623.54 : x
  2. Step 2: Convert to fraction form
    1,207,870.76/1,666,893.54 = 656,623.54/x
  3. Step 3: Cross multiply
    1,207,870.76x = 1,666,893.54 × 656,623.54
  4. Step 4: Simplify right side
    1,207,870.76x = 1,094,521,537,037.93
  5. Step 5: Solve for x
    x = 1,094,521,537,037.93/1,207,870.76
  6. Step 6: Final answer
    x = 906,157.82

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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.