Home / 734,825.16-1,013,988.72-412,461.36

Finding the Fourth Proportional to 734,825.16, 1,013,988.72 and 412,461.36

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Solution

The fourth proportional to 734,825.16, 1,013,988.72 and 412,461.36 is: 569,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,825.16 : 1,013,988.72 = 412,461.36 : x
  2. Step 2: Convert to fraction form
    734,825.16/1,013,988.72 = 412,461.36/x
  3. Step 3: Cross multiply
    734,825.16x = 1,013,988.72 × 412,461.36
  4. Step 4: Simplify right side
    734,825.16x = 418,231,166,475.86
  5. Step 5: Solve for x
    x = 418,231,166,475.86/734,825.16
  6. Step 6: Final answer
    x = 569,157.38

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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.