Home / 626,541.36-864,627.96-340,061.46

Finding the Fourth Proportional to 626,541.36, 864,627.96 and 340,061.46

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Solution

The fourth proportional to 626,541.36, 864,627.96 and 340,061.46 is: 469,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,541.36 : 864,627.96 = 340,061.46 : x
  2. Step 2: Convert to fraction form
    626,541.36/864,627.96 = 340,061.46/x
  3. Step 3: Cross multiply
    626,541.36x = 864,627.96 × 340,061.46
  4. Step 4: Simplify right side
    626,541.36x = 294,026,646,434.42
  5. Step 5: Solve for x
    x = 294,026,646,434.42/626,541.36
  6. Step 6: Final answer
    x = 469,285.29

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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.