Home / 919,359.84-1,376,188.56-497,589.60

Finding the Fourth Proportional to 919,359.84, 1,376,188.56 and 497,589.60

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Solution

The fourth proportional to 919,359.84, 1,376,188.56 and 497,589.60 is: 744,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,359.84 : 1,376,188.56 = 497,589.60 : x
  2. Step 2: Convert to fraction form
    919,359.84/1,376,188.56 = 497,589.60/x
  3. Step 3: Cross multiply
    919,359.84x = 1,376,188.56 × 497,589.60
  4. Step 4: Simplify right side
    919,359.84x = 684,777,115,094.98
  5. Step 5: Solve for x
    x = 684,777,115,094.98/919,359.84
  6. Step 6: Final answer
    x = 744,841.23

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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.