Home / 1,333,971.53-2,000,657.80-613,621.40

Finding the Fourth Proportional to 1,333,971.53, 2,000,657.80 and 613,621.40

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Solution

The fourth proportional to 1,333,971.53, 2,000,657.80 and 613,621.40 is: 920,294.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,971.53 : 2,000,657.80 = 613,621.40 : x
  2. Step 2: Convert to fraction form
    1,333,971.53/2,000,657.80 = 613,621.40/x
  3. Step 3: Cross multiply
    1,333,971.53x = 2,000,657.80 × 613,621.40
  4. Step 4: Simplify right side
    1,333,971.53x = 1,227,646,428,619.58
  5. Step 5: Solve for x
    x = 1,227,646,428,619.58/1,333,971.53
  6. Step 6: Final answer
    x = 920,294.33

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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.