Home / 734,067.65-1,013,011.70-407,430.69

Finding the Fourth Proportional to 734,067.65, 1,013,011.70 and 407,430.69

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Solution

The fourth proportional to 734,067.65, 1,013,011.70 and 407,430.69 is: 562,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,067.65 : 1,013,011.70 = 407,430.69 : x
  2. Step 2: Convert to fraction form
    734,067.65/1,013,011.70 = 407,430.69/x
  3. Step 3: Cross multiply
    734,067.65x = 1,013,011.70 × 407,430.69
  4. Step 4: Simplify right side
    734,067.65x = 412,732,053,871.92
  5. Step 5: Solve for x
    x = 412,732,053,871.92/734,067.65
  6. Step 6: Final answer
    x = 562,253.43

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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.