Home / 705,022.22-972,931.88-403,216.22

Finding the Fourth Proportional to 705,022.22, 972,931.88 and 403,216.22

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Solution

The fourth proportional to 705,022.22, 972,931.88 and 403,216.22 is: 556,439.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,022.22 : 972,931.88 = 403,216.22 : x
  2. Step 2: Convert to fraction form
    705,022.22/972,931.88 = 403,216.22/x
  3. Step 3: Cross multiply
    705,022.22x = 972,931.88 × 403,216.22
  4. Step 4: Simplify right side
    705,022.22x = 392,301,915,387.34
  5. Step 5: Solve for x
    x = 392,301,915,387.34/705,022.22
  6. Step 6: Final answer
    x = 556,439.08

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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.