Home / 1,291,369.42-1,937,054.12-470,769.58

Finding the Fourth Proportional to 1,291,369.42, 1,937,054.12 and 470,769.58

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Solution

The fourth proportional to 1,291,369.42, 1,937,054.12 and 470,769.58 is: 706,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,369.42 : 1,937,054.12 = 470,769.58 : x
  2. Step 2: Convert to fraction form
    1,291,369.42/1,937,054.12 = 470,769.58/x
  3. Step 3: Cross multiply
    1,291,369.42x = 1,937,054.12 × 470,769.58
  4. Step 4: Simplify right side
    1,291,369.42x = 911,906,154,509.67
  5. Step 5: Solve for x
    x = 911,906,154,509.67/1,291,369.42
  6. Step 6: Final answer
    x = 706,154.37

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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.