Home / 866,526.54-1,300,428.33-411,119.46

Finding the Fourth Proportional to 866,526.54, 1,300,428.33 and 411,119.46

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Solution

The fourth proportional to 866,526.54, 1,300,428.33 and 411,119.46 is: 616,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,526.54 : 1,300,428.33 = 411,119.46 : x
  2. Step 2: Convert to fraction form
    866,526.54/1,300,428.33 = 411,119.46/x
  3. Step 3: Cross multiply
    866,526.54x = 1,300,428.33 × 411,119.46
  4. Step 4: Simplify right side
    866,526.54x = 534,631,392,798.30
  5. Step 5: Solve for x
    x = 534,631,392,798.30/866,526.54
  6. Step 6: Final answer
    x = 616,982.13

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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.