Home / 1,680,955.06-2,319,707.16-955,802.72

Finding the Fourth Proportional to 1,680,955.06, 2,319,707.16 and 955,802.72

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Solution

The fourth proportional to 1,680,955.06, 2,319,707.16 and 955,802.72 is: 1,319,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,955.06 : 2,319,707.16 = 955,802.72 : x
  2. Step 2: Convert to fraction form
    1,680,955.06/2,319,707.16 = 955,802.72/x
  3. Step 3: Cross multiply
    1,680,955.06x = 2,319,707.16 × 955,802.72
  4. Step 4: Simplify right side
    1,680,955.06x = 2,217,182,413,131.48
  5. Step 5: Solve for x
    x = 2,217,182,413,131.48/1,680,955.06
  6. Step 6: Final answer
    x = 1,319,001.60

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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.