Home / 705,023.22-972,933.26-403,217.22

Finding the Fourth Proportional to 705,023.22, 972,933.26 and 403,217.22

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Solution

The fourth proportional to 705,023.22, 972,933.26 and 403,217.22 is: 556,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,023.22 : 972,933.26 = 403,217.22 : x
  2. Step 2: Convert to fraction form
    705,023.22/972,933.26 = 403,217.22/x
  3. Step 3: Cross multiply
    705,023.22x = 972,933.26 × 403,217.22
  4. Step 4: Simplify right side
    705,023.22x = 392,303,444,342.74
  5. Step 5: Solve for x
    x = 392,303,444,342.74/705,023.22
  6. Step 6: Final answer
    x = 556,440.46

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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.