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Finding the Fourth Proportional to 770,706.90, 1,064,592 and 591,631.74

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Solution

The fourth proportional to 770,706.90, 1,064,592 and 591,631.74 is: 817,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,706.90 : 1,064,592 = 591,631.74 : x
  2. Step 2: Convert to fraction form
    770,706.90/1,064,592 = 591,631.74/x
  3. Step 3: Cross multiply
    770,706.90x = 1,064,592 × 591,631.74
  4. Step 4: Simplify right side
    770,706.90x = 629,846,417,350.08
  5. Step 5: Solve for x
    x = 629,846,417,350.08/770,706.90
  6. Step 6: Final answer
    x = 817,232.10

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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.