Home / 999,693.19-1,379,573.56-540,807.63

Finding the Fourth Proportional to 999,693.19, 1,379,573.56 and 540,807.63

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Solution

The fourth proportional to 999,693.19, 1,379,573.56 and 540,807.63 is: 746,312.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,693.19 : 1,379,573.56 = 540,807.63 : x
  2. Step 2: Convert to fraction form
    999,693.19/1,379,573.56 = 540,807.63/x
  3. Step 3: Cross multiply
    999,693.19x = 1,379,573.56 × 540,807.63
  4. Step 4: Simplify right side
    999,693.19x = 746,083,907,394.26
  5. Step 5: Solve for x
    x = 746,083,907,394.26/999,693.19
  6. Step 6: Final answer
    x = 746,312.88

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Double scale
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1.5x scale

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.