Home / 883,956.48-1,220,322.24-689,948.16

Finding the Fourth Proportional to 883,956.48, 1,220,322.24 and 689,948.16

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Solution

The fourth proportional to 883,956.48, 1,220,322.24 and 689,948.16 is: 952,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,956.48 : 1,220,322.24 = 689,948.16 : x
  2. Step 2: Convert to fraction form
    883,956.48/1,220,322.24 = 689,948.16/x
  3. Step 3: Cross multiply
    883,956.48x = 1,220,322.24 × 689,948.16
  4. Step 4: Simplify right side
    883,956.48x = 841,959,084,095.08
  5. Step 5: Solve for x
    x = 841,959,084,095.08/883,956.48
  6. Step 6: Final answer
    x = 952,489.29

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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.