Home / 997,721.80-1,496,582.70-367,088.20

Finding the Fourth Proportional to 997,721.80, 1,496,582.70 and 367,088.20

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Solution

The fourth proportional to 997,721.80, 1,496,582.70 and 367,088.20 is: 550,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,721.80 : 1,496,582.70 = 367,088.20 : x
  2. Step 2: Convert to fraction form
    997,721.80/1,496,582.70 = 367,088.20/x
  3. Step 3: Cross multiply
    997,721.80x = 1,496,582.70 × 367,088.20
  4. Step 4: Simplify right side
    997,721.80x = 549,377,849,494.14
  5. Step 5: Solve for x
    x = 549,377,849,494.14/997,721.80
  6. Step 6: Final answer
    x = 550,632.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.