Home / 903,274.01-1,246,516.21-521,300.79

Finding the Fourth Proportional to 903,274.01, 1,246,516.21 and 521,300.79

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Solution

The fourth proportional to 903,274.01, 1,246,516.21 and 521,300.79 is: 719,393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,274.01 : 1,246,516.21 = 521,300.79 : x
  2. Step 2: Convert to fraction form
    903,274.01/1,246,516.21 = 521,300.79/x
  3. Step 3: Cross multiply
    903,274.01x = 1,246,516.21 × 521,300.79
  4. Step 4: Simplify right side
    903,274.01x = 649,809,885,020.81
  5. Step 5: Solve for x
    x = 649,809,885,020.81/903,274.01
  6. Step 6: Final answer
    x = 719,393.98

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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.