Home / 1,089,044.72-1,502,661.44-636,248.24

Finding the Fourth Proportional to 1,089,044.72, 1,502,661.44 and 636,248.24

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Solution

The fourth proportional to 1,089,044.72, 1,502,661.44 and 636,248.24 is: 877,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,044.72 : 1,502,661.44 = 636,248.24 : x
  2. Step 2: Convert to fraction form
    1,089,044.72/1,502,661.44 = 636,248.24/x
  3. Step 3: Cross multiply
    1,089,044.72x = 1,502,661.44 × 636,248.24
  4. Step 4: Simplify right side
    1,089,044.72x = 956,065,696,515.87
  5. Step 5: Solve for x
    x = 956,065,696,515.87/1,089,044.72
  6. Step 6: Final answer
    x = 877,893.88

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Double scale
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1.5x scale

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.