Home / 971,945.65-1,457,752.32-261,807.63

Finding the Fourth Proportional to 971,945.65, 1,457,752.32 and 261,807.63

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Solution

The fourth proportional to 971,945.65, 1,457,752.32 and 261,807.63 is: 392,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,945.65 : 1,457,752.32 = 261,807.63 : x
  2. Step 2: Convert to fraction form
    971,945.65/1,457,752.32 = 261,807.63/x
  3. Step 3: Cross multiply
    971,945.65x = 1,457,752.32 × 261,807.63
  4. Step 4: Simplify right side
    971,945.65x = 381,650,680,026.20
  5. Step 5: Solve for x
    x = 381,650,680,026.20/971,945.65
  6. Step 6: Final answer
    x = 392,666.69

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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.