Home / 1,391,566.02-1,921,531.17-1,046,804.30

Finding the Fourth Proportional to 1,391,566.02, 1,921,531.17 and 1,046,804.30

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Solution

The fourth proportional to 1,391,566.02, 1,921,531.17 and 1,046,804.30 is: 1,445,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,566.02 : 1,921,531.17 = 1,046,804.30 : x
  2. Step 2: Convert to fraction form
    1,391,566.02/1,921,531.17 = 1,046,804.30/x
  3. Step 3: Cross multiply
    1,391,566.02x = 1,921,531.17 × 1,046,804.30
  4. Step 4: Simplify right side
    1,391,566.02x = 2,011,467,091,340.03
  5. Step 5: Solve for x
    x = 2,011,467,091,340.03/1,391,566.02
  6. Step 6: Final answer
    x = 1,445,470.11

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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.