Home / 947,000.16-1,306,810.26-517,274.10

Finding the Fourth Proportional to 947,000.16, 1,306,810.26 and 517,274.10

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Solution

The fourth proportional to 947,000.16, 1,306,810.26 and 517,274.10 is: 713,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,000.16 : 1,306,810.26 = 517,274.10 : x
  2. Step 2: Convert to fraction form
    947,000.16/1,306,810.26 = 517,274.10/x
  3. Step 3: Cross multiply
    947,000.16x = 1,306,810.26 × 517,274.10
  4. Step 4: Simplify right side
    947,000.16x = 675,979,101,112.27
  5. Step 5: Solve for x
    x = 675,979,101,112.27/947,000.16
  6. Step 6: Final answer
    x = 713,810.97

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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.