Home / 1,128,462.19-1,557,306.48-619,164.43

Finding the Fourth Proportional to 1,128,462.19, 1,557,306.48 and 619,164.43

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Solution

The fourth proportional to 1,128,462.19, 1,557,306.48 and 619,164.43 is: 854,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,462.19 : 1,557,306.48 = 619,164.43 : x
  2. Step 2: Convert to fraction form
    1,128,462.19/1,557,306.48 = 619,164.43/x
  3. Step 3: Cross multiply
    1,128,462.19x = 1,557,306.48 × 619,164.43
  4. Step 4: Simplify right side
    1,128,462.19x = 964,228,779,024.51
  5. Step 5: Solve for x
    x = 964,228,779,024.51/1,128,462.19
  6. Step 6: Final answer
    x = 854,462.64

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Double scale
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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.