Home / 738,110.76-1,018,668.09-451,820.04

Finding the Fourth Proportional to 738,110.76, 1,018,668.09 and 451,820.04

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Solution

The fourth proportional to 738,110.76, 1,018,668.09 and 451,820.04 is: 623,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,110.76 : 1,018,668.09 = 451,820.04 : x
  2. Step 2: Convert to fraction form
    738,110.76/1,018,668.09 = 451,820.04/x
  3. Step 3: Cross multiply
    738,110.76x = 1,018,668.09 × 451,820.04
  4. Step 4: Simplify right side
    738,110.76x = 460,254,657,170.52
  5. Step 5: Solve for x
    x = 460,254,657,170.52/738,110.76
  6. Step 6: Final answer
    x = 623,557.71

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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.