Home / 898,384.30-1,347,576.45-824,901.10

Finding the Fourth Proportional to 898,384.30, 1,347,576.45 and 824,901.10

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Solution

The fourth proportional to 898,384.30, 1,347,576.45 and 824,901.10 is: 1,237,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,384.30 : 1,347,576.45 = 824,901.10 : x
  2. Step 2: Convert to fraction form
    898,384.30/1,347,576.45 = 824,901.10/x
  3. Step 3: Cross multiply
    898,384.30x = 1,347,576.45 × 824,901.10
  4. Step 4: Simplify right side
    898,384.30x = 1,111,617,295,939.10
  5. Step 5: Solve for x
    x = 1,111,617,295,939.10/898,384.30
  6. Step 6: Final answer
    x = 1,237,351.65

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Double scale
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Similar ratio
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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.