Home / 736,085.80-1,104,128.70-617,987.80

Finding the Fourth Proportional to 736,085.80, 1,104,128.70 and 617,987.80

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Solution

The fourth proportional to 736,085.80, 1,104,128.70 and 617,987.80 is: 926,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,085.80 : 1,104,128.70 = 617,987.80 : x
  2. Step 2: Convert to fraction form
    736,085.80/1,104,128.70 = 617,987.80/x
  3. Step 3: Cross multiply
    736,085.80x = 1,104,128.70 × 617,987.80
  4. Step 4: Simplify right side
    736,085.80x = 682,338,066,229.86
  5. Step 5: Solve for x
    x = 682,338,066,229.86/736,085.80
  6. Step 6: Final answer
    x = 926,981.70

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Double scale
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Similar ratio
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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.