Home / 814,417.35-1,123,949.10-470,267.79

Finding the Fourth Proportional to 814,417.35, 1,123,949.10 and 470,267.79

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Solution

The fourth proportional to 814,417.35, 1,123,949.10 and 470,267.79 is: 649,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,417.35 : 1,123,949.10 = 470,267.79 : x
  2. Step 2: Convert to fraction form
    814,417.35/1,123,949.10 = 470,267.79/x
  3. Step 3: Cross multiply
    814,417.35x = 1,123,949.10 × 470,267.79
  4. Step 4: Simplify right side
    814,417.35x = 528,557,059,329.49
  5. Step 5: Solve for x
    x = 528,557,059,329.49/814,417.35
  6. Step 6: Final answer
    x = 649,000.24

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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.