Home / 744,088.55-1,026,834.98-404,556.80

Finding the Fourth Proportional to 744,088.55, 1,026,834.98 and 404,556.80

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Solution

The fourth proportional to 744,088.55, 1,026,834.98 and 404,556.80 is: 558,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,088.55 : 1,026,834.98 = 404,556.80 : x
  2. Step 2: Convert to fraction form
    744,088.55/1,026,834.98 = 404,556.80/x
  3. Step 3: Cross multiply
    744,088.55x = 1,026,834.98 × 404,556.80
  4. Step 4: Simplify right side
    744,088.55x = 415,413,066,479.91
  5. Step 5: Solve for x
    x = 415,413,066,479.91/744,088.55
  6. Step 6: Final answer
    x = 558,284.45

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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.