Home / 691,023.93-953,645.49-404,636.28

Finding the Fourth Proportional to 691,023.93, 953,645.49 and 404,636.28

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Solution

The fourth proportional to 691,023.93, 953,645.49 and 404,636.28 is: 558,417.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,023.93 : 953,645.49 = 404,636.28 : x
  2. Step 2: Convert to fraction form
    691,023.93/953,645.49 = 404,636.28/x
  3. Step 3: Cross multiply
    691,023.93x = 953,645.49 × 404,636.28
  4. Step 4: Simplify right side
    691,023.93x = 385,879,563,512.38
  5. Step 5: Solve for x
    x = 385,879,563,512.38/691,023.93
  6. Step 6: Final answer
    x = 558,417.08

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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.