Home / 705,026.23-972,937.40-403,220.23

Finding the Fourth Proportional to 705,026.23, 972,937.40 and 403,220.23

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Solution

The fourth proportional to 705,026.23, 972,937.40 and 403,220.23 is: 556,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,026.23 : 972,937.40 = 403,220.23 : x
  2. Step 2: Convert to fraction form
    705,026.23/972,937.40 = 403,220.23/x
  3. Step 3: Cross multiply
    705,026.23x = 972,937.40 × 403,220.23
  4. Step 4: Simplify right side
    705,026.23x = 392,308,042,203.60
  5. Step 5: Solve for x
    x = 392,308,042,203.60/705,026.23
  6. Step 6: Final answer
    x = 556,444.61

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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.