Home / 507,623.20-761,434.80-465,632.80

Finding the Fourth Proportional to 507,623.20, 761,434.80 and 465,632.80

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Solution

The fourth proportional to 507,623.20, 761,434.80 and 465,632.80 is: 698,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,623.20 : 761,434.80 = 465,632.80 : x
  2. Step 2: Convert to fraction form
    507,623.20/761,434.80 = 465,632.80/x
  3. Step 3: Cross multiply
    507,623.20x = 761,434.80 × 465,632.80
  4. Step 4: Simplify right side
    507,623.20x = 354,549,017,941.44
  5. Step 5: Solve for x
    x = 354,549,017,941.44/507,623.20
  6. Step 6: Final answer
    x = 698,449.20

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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.