Home / 866,056.02-1,299,346.47-392,614.26

Finding the Fourth Proportional to 866,056.02, 1,299,346.47 and 392,614.26

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Solution

The fourth proportional to 866,056.02, 1,299,346.47 and 392,614.26 is: 589,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,056.02 : 1,299,346.47 = 392,614.26 : x
  2. Step 2: Convert to fraction form
    866,056.02/1,299,346.47 = 392,614.26/x
  3. Step 3: Cross multiply
    866,056.02x = 1,299,346.47 × 392,614.26
  4. Step 4: Simplify right side
    866,056.02x = 510,141,952,802.66
  5. Step 5: Solve for x
    x = 510,141,952,802.66/866,056.02
  6. Step 6: Final answer
    x = 589,040.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.