Home / 748,391.99-1,123,297.69-463,219.92

Finding the Fourth Proportional to 748,391.99, 1,123,297.69 and 463,219.92

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Solution

The fourth proportional to 748,391.99, 1,123,297.69 and 463,219.92 is: 695,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,391.99 : 1,123,297.69 = 463,219.92 : x
  2. Step 2: Convert to fraction form
    748,391.99/1,123,297.69 = 463,219.92/x
  3. Step 3: Cross multiply
    748,391.99x = 1,123,297.69 × 463,219.92
  4. Step 4: Simplify right side
    748,391.99x = 520,333,866,097.99
  5. Step 5: Solve for x
    x = 520,333,866,097.99/748,391.99
  6. Step 6: Final answer
    x = 695,269.16

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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.