Home / 748,574.51-1,033,035.47-409,042.76

Finding the Fourth Proportional to 748,574.51, 1,033,035.47 and 409,042.76

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Solution

The fourth proportional to 748,574.51, 1,033,035.47 and 409,042.76 is: 564,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,574.51 : 1,033,035.47 = 409,042.76 : x
  2. Step 2: Convert to fraction form
    748,574.51/1,033,035.47 = 409,042.76/x
  3. Step 3: Cross multiply
    748,574.51x = 1,033,035.47 × 409,042.76
  4. Step 4: Simplify right side
    748,574.51x = 422,555,672,616.31
  5. Step 5: Solve for x
    x = 422,555,672,616.31/748,574.51
  6. Step 6: Final answer
    x = 564,480.45

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Half scale
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Double scale
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Similar ratio
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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.