Home / 916,644.76-1,264,983.52-503,215.48

Finding the Fourth Proportional to 916,644.76, 1,264,983.52 and 503,215.48

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Solution

The fourth proportional to 916,644.76, 1,264,983.52 and 503,215.48 is: 694,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,644.76 : 1,264,983.52 = 503,215.48 : x
  2. Step 2: Convert to fraction form
    916,644.76/1,264,983.52 = 503,215.48/x
  3. Step 3: Cross multiply
    916,644.76x = 1,264,983.52 × 503,215.48
  4. Step 4: Simplify right side
    916,644.76x = 636,559,289,208.89
  5. Step 5: Solve for x
    x = 636,559,289,208.89/916,644.76
  6. Step 6: Final answer
    x = 694,444.91

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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.