Home / 811,184.46-1,119,428.02-448,623.60

Finding the Fourth Proportional to 811,184.46, 1,119,428.02 and 448,623.60

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Solution

The fourth proportional to 811,184.46, 1,119,428.02 and 448,623.60 is: 619,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,184.46 : 1,119,428.02 = 448,623.60 : x
  2. Step 2: Convert to fraction form
    811,184.46/1,119,428.02 = 448,623.60/x
  3. Step 3: Cross multiply
    811,184.46x = 1,119,428.02 × 448,623.60
  4. Step 4: Simplify right side
    811,184.46x = 502,201,828,273.27
  5. Step 5: Solve for x
    x = 502,201,828,273.27/811,184.46
  6. Step 6: Final answer
    x = 619,096.95

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Double scale
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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.