Home / 1,013,049.28-1,398,284.40-630,850.24

Finding the Fourth Proportional to 1,013,049.28, 1,398,284.40 and 630,850.24

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Solution

The fourth proportional to 1,013,049.28, 1,398,284.40 and 630,850.24 is: 870,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,049.28 : 1,398,284.40 = 630,850.24 : x
  2. Step 2: Convert to fraction form
    1,013,049.28/1,398,284.40 = 630,850.24/x
  3. Step 3: Cross multiply
    1,013,049.28x = 1,398,284.40 × 630,850.24
  4. Step 4: Simplify right side
    1,013,049.28x = 882,108,049,328.26
  5. Step 5: Solve for x
    x = 882,108,049,328.26/1,013,049.28
  6. Step 6: Final answer
    x = 870,745.45

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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.