Home / 814,206.76-1,123,583.63-470,031.04

Finding the Fourth Proportional to 814,206.76, 1,123,583.63 and 470,031.04

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Solution

The fourth proportional to 814,206.76, 1,123,583.63 and 470,031.04 is: 648,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,206.76 : 1,123,583.63 = 470,031.04 : x
  2. Step 2: Convert to fraction form
    814,206.76/1,123,583.63 = 470,031.04/x
  3. Step 3: Cross multiply
    814,206.76x = 1,123,583.63 × 470,031.04
  4. Step 4: Simplify right side
    814,206.76x = 528,119,182,135.88
  5. Step 5: Solve for x
    x = 528,119,182,135.88/814,206.76
  6. Step 6: Final answer
    x = 648,630.31

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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.