Home / 1,071,357.90-1,478,516.54-587,940.35

Finding the Fourth Proportional to 1,071,357.90, 1,478,516.54 and 587,940.35

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Solution

The fourth proportional to 1,071,357.90, 1,478,516.54 and 587,940.35 is: 811,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,357.90 : 1,478,516.54 = 587,940.35 : x
  2. Step 2: Convert to fraction form
    1,071,357.90/1,478,516.54 = 587,940.35/x
  3. Step 3: Cross multiply
    1,071,357.90x = 1,478,516.54 × 587,940.35
  4. Step 4: Simplify right side
    1,071,357.90x = 869,279,526,085.66
  5. Step 5: Solve for x
    x = 869,279,526,085.66/1,071,357.90
  6. Step 6: Final answer
    x = 811,381.08

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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.