Home / 609,348.69-841,777.10-486,680.01

Finding the Fourth Proportional to 609,348.69, 841,777.10 and 486,680.01

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Solution

The fourth proportional to 609,348.69, 841,777.10 and 486,680.01 is: 672,318.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,348.69 : 841,777.10 = 486,680.01 : x
  2. Step 2: Convert to fraction form
    609,348.69/841,777.10 = 486,680.01/x
  3. Step 3: Cross multiply
    609,348.69x = 841,777.10 × 486,680.01
  4. Step 4: Simplify right side
    609,348.69x = 409,676,089,994.09
  5. Step 5: Solve for x
    x = 409,676,089,994.09/609,348.69
  6. Step 6: Final answer
    x = 672,318.00

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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.