Home / 890,838.86-1,229,068.40-503,616.74

Finding the Fourth Proportional to 890,838.86, 1,229,068.40 and 503,616.74

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Solution

The fourth proportional to 890,838.86, 1,229,068.40 and 503,616.74 is: 694,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,838.86 : 1,229,068.40 = 503,616.74 : x
  2. Step 2: Convert to fraction form
    890,838.86/1,229,068.40 = 503,616.74/x
  3. Step 3: Cross multiply
    890,838.86x = 1,229,068.40 × 503,616.74
  4. Step 4: Simplify right side
    890,838.86x = 618,979,412,181.59
  5. Step 5: Solve for x
    x = 618,979,412,181.59/890,838.86
  6. Step 6: Final answer
    x = 694,827.59

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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.