Home / 971,510.72-1,457,134.44-261,581.36

Finding the Fourth Proportional to 971,510.72, 1,457,134.44 and 261,581.36

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Solution

The fourth proportional to 971,510.72, 1,457,134.44 and 261,581.36 is: 392,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,510.72 : 1,457,134.44 = 261,581.36 : x
  2. Step 2: Convert to fraction form
    971,510.72/1,457,134.44 = 261,581.36/x
  3. Step 3: Cross multiply
    971,510.72x = 1,457,134.44 × 261,581.36
  4. Step 4: Simplify right side
    971,510.72x = 381,159,208,518.04
  5. Step 5: Solve for x
    x = 381,159,208,518.04/971,510.72
  6. Step 6: Final answer
    x = 392,336.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.