Home / 1,201,766.02-1,658,436.98-657,900.12

Finding the Fourth Proportional to 1,201,766.02, 1,658,436.98 and 657,900.12

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Solution

The fourth proportional to 1,201,766.02, 1,658,436.98 and 657,900.12 is: 907,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,766.02 : 1,658,436.98 = 657,900.12 : x
  2. Step 2: Convert to fraction form
    1,201,766.02/1,658,436.98 = 657,900.12/x
  3. Step 3: Cross multiply
    1,201,766.02x = 1,658,436.98 × 657,900.12
  4. Step 4: Simplify right side
    1,201,766.02x = 1,091,085,888,154.44
  5. Step 5: Solve for x
    x = 1,091,085,888,154.44/1,201,766.02
  6. Step 6: Final answer
    x = 907,902.10

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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.