Home / 1,038,004.70-1,557,007.05-611,102.30

Finding the Fourth Proportional to 1,038,004.70, 1,557,007.05 and 611,102.30

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Solution

The fourth proportional to 1,038,004.70, 1,557,007.05 and 611,102.30 is: 916,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,004.70 : 1,557,007.05 = 611,102.30 : x
  2. Step 2: Convert to fraction form
    1,038,004.70/1,557,007.05 = 611,102.30/x
  3. Step 3: Cross multiply
    1,038,004.70x = 1,557,007.05 × 611,102.30
  4. Step 4: Simplify right side
    1,038,004.70x = 951,490,589,371.22
  5. Step 5: Solve for x
    x = 951,490,589,371.22/1,038,004.70
  6. Step 6: Final answer
    x = 916,653.45

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Double scale
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Similar ratio
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1.5x scale

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.