Home / 1,113,778.79-1,671,371.00-474,081.49

Finding the Fourth Proportional to 1,113,778.79, 1,671,371.00 and 474,081.49

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Solution

The fourth proportional to 1,113,778.79, 1,671,371.00 and 474,081.49 is: 711,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,778.79 : 1,671,371.00 = 474,081.49 : x
  2. Step 2: Convert to fraction form
    1,113,778.79/1,671,371.00 = 474,081.49/x
  3. Step 3: Cross multiply
    1,113,778.79x = 1,671,371.00 × 474,081.49
  4. Step 4: Simplify right side
    1,113,778.79x = 792,366,058,186.11
  5. Step 5: Solve for x
    x = 792,366,058,186.11/1,113,778.79
  6. Step 6: Final answer
    x = 711,421.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.