Home / 623,111.18-936,617.99-411,240.77

Finding the Fourth Proportional to 623,111.18, 936,617.99 and 411,240.77

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Solution

The fourth proportional to 623,111.18, 936,617.99 and 411,240.77 is: 618,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,111.18 : 936,617.99 = 411,240.77 : x
  2. Step 2: Convert to fraction form
    623,111.18/936,617.99 = 411,240.77/x
  3. Step 3: Cross multiply
    623,111.18x = 936,617.99 × 411,240.77
  4. Step 4: Simplify right side
    623,111.18x = 385,175,496,664.16
  5. Step 5: Solve for x
    x = 385,175,496,664.16/623,111.18
  6. Step 6: Final answer
    x = 618,148.91

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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.