Home / 635,466.81-876,943.17-348,986.89

Finding the Fourth Proportional to 635,466.81, 876,943.17 and 348,986.89

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Solution

The fourth proportional to 635,466.81, 876,943.17 and 348,986.89 is: 481,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,466.81 : 876,943.17 = 348,986.89 : x
  2. Step 2: Convert to fraction form
    635,466.81/876,943.17 = 348,986.89/x
  3. Step 3: Cross multiply
    635,466.81x = 876,943.17 × 348,986.89
  4. Step 4: Simplify right side
    635,466.81x = 306,041,674,916.76
  5. Step 5: Solve for x
    x = 306,041,674,916.76/635,466.81
  6. Step 6: Final answer
    x = 481,601.35

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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.