Home / 1,291,368.89-1,937,053.32-470,769.05

Finding the Fourth Proportional to 1,291,368.89, 1,937,053.32 and 470,769.05

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Solution

The fourth proportional to 1,291,368.89, 1,937,053.32 and 470,769.05 is: 706,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,368.89 : 1,937,053.32 = 470,769.05 : x
  2. Step 2: Convert to fraction form
    1,291,368.89/1,937,053.32 = 470,769.05/x
  3. Step 3: Cross multiply
    1,291,368.89x = 1,937,053.32 × 470,769.05
  4. Step 4: Simplify right side
    1,291,368.89x = 911,904,741,570.48
  5. Step 5: Solve for x
    x = 911,904,741,570.48/1,291,368.89
  6. Step 6: Final answer
    x = 706,153.56

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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.