Home / 477,748.89-716,727.02-145,316.25

Finding the Fourth Proportional to 477,748.89, 716,727.02 and 145,316.25

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Solution

The fourth proportional to 477,748.89, 716,727.02 and 145,316.25 is: 218,005.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,748.89 : 716,727.02 = 145,316.25 : x
  2. Step 2: Convert to fraction form
    477,748.89/716,727.02 = 145,316.25/x
  3. Step 3: Cross multiply
    477,748.89x = 716,727.02 × 145,316.25
  4. Step 4: Simplify right side
    477,748.89x = 104,152,082,093.49
  5. Step 5: Solve for x
    x = 104,152,082,093.49/477,748.89
  6. Step 6: Final answer
    x = 218,005.91

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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.