Home / 753,058.94-1,039,228.54-413,534.30

Finding the Fourth Proportional to 753,058.94, 1,039,228.54 and 413,534.30

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Solution

The fourth proportional to 753,058.94, 1,039,228.54 and 413,534.30 is: 570,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,058.94 : 1,039,228.54 = 413,534.30 : x
  2. Step 2: Convert to fraction form
    753,058.94/1,039,228.54 = 413,534.30/x
  3. Step 3: Cross multiply
    753,058.94x = 1,039,228.54 × 413,534.30
  4. Step 4: Simplify right side
    753,058.94x = 429,756,646,828.92
  5. Step 5: Solve for x
    x = 429,756,646,828.92/753,058.94
  6. Step 6: Final answer
    x = 570,681.29

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Double scale
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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.