Home / 993,623.70-1,490,435.55-394,727.70

Finding the Fourth Proportional to 993,623.70, 1,490,435.55 and 394,727.70

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Solution

The fourth proportional to 993,623.70, 1,490,435.55 and 394,727.70 is: 592,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,623.70 : 1,490,435.55 = 394,727.70 : x
  2. Step 2: Convert to fraction form
    993,623.70/1,490,435.55 = 394,727.70/x
  3. Step 3: Cross multiply
    993,623.70x = 1,490,435.55 × 394,727.70
  4. Step 4: Simplify right side
    993,623.70x = 588,316,196,649.74
  5. Step 5: Solve for x
    x = 588,316,196,649.74/993,623.70
  6. Step 6: Final answer
    x = 592,091.55

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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.