Home / 786,295.23-1,177,901.45-407,464.46

Finding the Fourth Proportional to 786,295.23, 1,177,901.45 and 407,464.46

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Solution

The fourth proportional to 786,295.23, 1,177,901.45 and 407,464.46 is: 610,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,295.23 : 1,177,901.45 = 407,464.46 : x
  2. Step 2: Convert to fraction form
    786,295.23/1,177,901.45 = 407,464.46/x
  3. Step 3: Cross multiply
    786,295.23x = 1,177,901.45 × 407,464.46
  4. Step 4: Simplify right side
    786,295.23x = 479,952,978,257.47
  5. Step 5: Solve for x
    x = 479,952,978,257.47/786,295.23
  6. Step 6: Final answer
    x = 610,397.93

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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.