Home / 693,200.70-1,038,051.45-455,255.10

Finding the Fourth Proportional to 693,200.70, 1,038,051.45 and 455,255.10

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Solution

The fourth proportional to 693,200.70, 1,038,051.45 and 455,255.10 is: 681,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,200.70 : 1,038,051.45 = 455,255.10 : x
  2. Step 2: Convert to fraction form
    693,200.70/1,038,051.45 = 455,255.10/x
  3. Step 3: Cross multiply
    693,200.70x = 1,038,051.45 × 455,255.10
  4. Step 4: Simplify right side
    693,200.70x = 472,578,216,674.90
  5. Step 5: Solve for x
    x = 472,578,216,674.90/693,200.70
  6. Step 6: Final answer
    x = 681,733.61

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Double scale
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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.