Home / 736,626.04-1,104,960.42-287,328.76

Finding the Fourth Proportional to 736,626.04, 1,104,960.42 and 287,328.76

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Solution

The fourth proportional to 736,626.04, 1,104,960.42 and 287,328.76 is: 431,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,626.04 : 1,104,960.42 = 287,328.76 : x
  2. Step 2: Convert to fraction form
    736,626.04/1,104,960.42 = 287,328.76/x
  3. Step 3: Cross multiply
    736,626.04x = 1,104,960.42 × 287,328.76
  4. Step 4: Simplify right side
    736,626.04x = 317,486,907,327.68
  5. Step 5: Solve for x
    x = 317,486,907,327.68/736,626.04
  6. Step 6: Final answer
    x = 431,001.47

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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.