Home / 697,934.88-1,047,018.96-277,214.40

Finding the Fourth Proportional to 697,934.88, 1,047,018.96 and 277,214.40

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Solution

The fourth proportional to 697,934.88, 1,047,018.96 and 277,214.40 is: 415,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,934.88 : 1,047,018.96 = 277,214.40 : x
  2. Step 2: Convert to fraction form
    697,934.88/1,047,018.96 = 277,214.40/x
  3. Step 3: Cross multiply
    697,934.88x = 1,047,018.96 × 277,214.40
  4. Step 4: Simplify right side
    697,934.88x = 290,248,732,785.02
  5. Step 5: Solve for x
    x = 290,248,732,785.02/697,934.88
  6. Step 6: Final answer
    x = 415,867.93

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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.