Home / 945,950.71-1,305,411.63-516,230.84

Finding the Fourth Proportional to 945,950.71, 1,305,411.63 and 516,230.84

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Solution

The fourth proportional to 945,950.71, 1,305,411.63 and 516,230.84 is: 712,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,950.71 : 1,305,411.63 = 516,230.84 : x
  2. Step 2: Convert to fraction form
    945,950.71/1,305,411.63 = 516,230.84/x
  3. Step 3: Cross multiply
    945,950.71x = 1,305,411.63 × 516,230.84
  4. Step 4: Simplify right side
    945,950.71x = 673,893,742,300.67
  5. Step 5: Solve for x
    x = 673,893,742,300.67/945,950.71
  6. Step 6: Final answer
    x = 712,398.37

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Double scale
Find fourth proportional to 945,951.71, 1,305,413.01 and 516,231.84
Similar ratio
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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.