Home / 947,043.79-1,306,871.69-517,240.89

Finding the Fourth Proportional to 947,043.79, 1,306,871.69 and 517,240.89

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Solution

The fourth proportional to 947,043.79, 1,306,871.69 and 517,240.89 is: 713,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,043.79 : 1,306,871.69 = 517,240.89 : x
  2. Step 2: Convert to fraction form
    947,043.79/1,306,871.69 = 517,240.89/x
  3. Step 3: Cross multiply
    947,043.79x = 1,306,871.69 × 517,240.89
  4. Step 4: Simplify right side
    947,043.79x = 675,967,473,465.20
  5. Step 5: Solve for x
    x = 675,967,473,465.20/947,043.79
  6. Step 6: Final answer
    x = 713,765.81

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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.