Home / 697,418.94-1,045,130.25-397,279.40

Finding the Fourth Proportional to 697,418.94, 1,045,130.25 and 397,279.40

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Solution

The fourth proportional to 697,418.94, 1,045,130.25 and 397,279.40 is: 595,350.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,418.94 : 1,045,130.25 = 397,279.40 : x
  2. Step 2: Convert to fraction form
    697,418.94/1,045,130.25 = 397,279.40/x
  3. Step 3: Cross multiply
    697,418.94x = 1,045,130.25 × 397,279.40
  4. Step 4: Simplify right side
    697,418.94x = 415,208,713,416.20
  5. Step 5: Solve for x
    x = 415,208,713,416.20/697,418.94
  6. Step 6: Final answer
    x = 595,350.50

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Double scale
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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.