Home / 746,561.85-1,030,210.95-424,227.21

Finding the Fourth Proportional to 746,561.85, 1,030,210.95 and 424,227.21

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Solution

The fourth proportional to 746,561.85, 1,030,210.95 and 424,227.21 is: 585,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,561.85 : 1,030,210.95 = 424,227.21 : x
  2. Step 2: Convert to fraction form
    746,561.85/1,030,210.95 = 424,227.21/x
  3. Step 3: Cross multiply
    746,561.85x = 1,030,210.95 × 424,227.21
  4. Step 4: Simplify right side
    746,561.85x = 437,043,517,029.95
  5. Step 5: Solve for x
    x = 437,043,517,029.95/746,561.85
  6. Step 6: Final answer
    x = 585,408.32

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.