Home / 814,178.84-1,123,473.57-470,013.39

Finding the Fourth Proportional to 814,178.84, 1,123,473.57 and 470,013.39

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Solution

The fourth proportional to 814,178.84, 1,123,473.57 and 470,013.39 is: 648,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,178.84 : 1,123,473.57 = 470,013.39 : x
  2. Step 2: Convert to fraction form
    814,178.84/1,123,473.57 = 470,013.39/x
  3. Step 3: Cross multiply
    814,178.84x = 1,123,473.57 × 470,013.39
  4. Step 4: Simplify right side
    814,178.84x = 528,047,621,211.10
  5. Step 5: Solve for x
    x = 528,047,621,211.10/814,178.84
  6. Step 6: Final answer
    x = 648,564.66

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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.