Home / 974,105.09-1,461,294.89-300,240.89

Finding the Fourth Proportional to 974,105.09, 1,461,294.89 and 300,240.89

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Solution

The fourth proportional to 974,105.09, 1,461,294.89 and 300,240.89 is: 450,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,105.09 : 1,461,294.89 = 300,240.89 : x
  2. Step 2: Convert to fraction form
    974,105.09/1,461,294.89 = 300,240.89/x
  3. Step 3: Cross multiply
    974,105.09x = 1,461,294.89 × 300,240.89
  4. Step 4: Simplify right side
    974,105.09x = 438,740,478,326.05
  5. Step 5: Solve for x
    x = 438,740,478,326.05/974,105.09
  6. Step 6: Final answer
    x = 450,403.64

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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.