Home / 863,111.91-1,191,234.74-519,295.35

Finding the Fourth Proportional to 863,111.91, 1,191,234.74 and 519,295.35

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Solution

The fourth proportional to 863,111.91, 1,191,234.74 and 519,295.35 is: 716,711.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,111.91 : 1,191,234.74 = 519,295.35 : x
  2. Step 2: Convert to fraction form
    863,111.91/1,191,234.74 = 519,295.35/x
  3. Step 3: Cross multiply
    863,111.91x = 1,191,234.74 × 519,295.35
  4. Step 4: Simplify right side
    863,111.91x = 618,602,658,643.98
  5. Step 5: Solve for x
    x = 618,602,658,643.98/863,111.91
  6. Step 6: Final answer
    x = 716,711.99

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Double scale
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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.