Home / 1,119,128.64-1,544,396.32-609,830.88

Finding the Fourth Proportional to 1,119,128.64, 1,544,396.32 and 609,830.88

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Solution

The fourth proportional to 1,119,128.64, 1,544,396.32 and 609,830.88 is: 841,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,128.64 : 1,544,396.32 = 609,830.88 : x
  2. Step 2: Convert to fraction form
    1,119,128.64/1,544,396.32 = 609,830.88/x
  3. Step 3: Cross multiply
    1,119,128.64x = 1,544,396.32 × 609,830.88
  4. Step 4: Simplify right side
    1,119,128.64x = 941,820,566,894.36
  5. Step 5: Solve for x
    x = 941,820,566,894.36/1,119,128.64
  6. Step 6: Final answer
    x = 841,565.96

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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.