Home / 748,666.23-1,033,159.83-409,134.48

Finding the Fourth Proportional to 748,666.23, 1,033,159.83 and 409,134.48

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Solution

The fourth proportional to 748,666.23, 1,033,159.83 and 409,134.48 is: 564,605.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,666.23 : 1,033,159.83 = 409,134.48 : x
  2. Step 2: Convert to fraction form
    748,666.23/1,033,159.83 = 409,134.48/x
  3. Step 3: Cross multiply
    748,666.23x = 1,033,159.83 × 409,134.48
  4. Step 4: Simplify right side
    748,666.23x = 422,701,309,803.94
  5. Step 5: Solve for x
    x = 422,701,309,803.94/748,666.23
  6. Step 6: Final answer
    x = 564,605.82

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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.