Home / 719,043.48-992,246.76-412,904.49

Finding the Fourth Proportional to 719,043.48, 992,246.76 and 412,904.49

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Solution

The fourth proportional to 719,043.48, 992,246.76 and 412,904.49 is: 569,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,043.48 : 992,246.76 = 412,904.49 : x
  2. Step 2: Convert to fraction form
    719,043.48/992,246.76 = 412,904.49/x
  3. Step 3: Cross multiply
    719,043.48x = 992,246.76 × 412,904.49
  4. Step 4: Simplify right side
    719,043.48x = 409,703,138,671.03
  5. Step 5: Solve for x
    x = 409,703,138,671.03/719,043.48
  6. Step 6: Final answer
    x = 569,789.10

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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.