Home / 753,644.81-1,039,614.59-477,497.45

Finding the Fourth Proportional to 753,644.81, 1,039,614.59 and 477,497.45

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Solution

The fourth proportional to 753,644.81, 1,039,614.59 and 477,497.45 is: 658,683.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,644.81 : 1,039,614.59 = 477,497.45 : x
  2. Step 2: Convert to fraction form
    753,644.81/1,039,614.59 = 477,497.45/x
  3. Step 3: Cross multiply
    753,644.81x = 1,039,614.59 × 477,497.45
  4. Step 4: Simplify right side
    753,644.81x = 496,413,308,122.24
  5. Step 5: Solve for x
    x = 496,413,308,122.24/753,644.81
  6. Step 6: Final answer
    x = 658,683.38

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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.