Home / 679,501.22-937,712.27-373,582.80

Finding the Fourth Proportional to 679,501.22, 937,712.27 and 373,582.80

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Solution

The fourth proportional to 679,501.22, 937,712.27 and 373,582.80 is: 515,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,501.22 : 937,712.27 = 373,582.80 : x
  2. Step 2: Convert to fraction form
    679,501.22/937,712.27 = 373,582.80/x
  3. Step 3: Cross multiply
    679,501.22x = 937,712.27 × 373,582.80
  4. Step 4: Simplify right side
    679,501.22x = 350,313,176,354.91
  5. Step 5: Solve for x
    x = 350,313,176,354.91/679,501.22
  6. Step 6: Final answer
    x = 515,544.59

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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.