Home / 547,455.41-750,001.38-526,987.22

Finding the Fourth Proportional to 547,455.41, 750,001.38 and 526,987.22

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Solution

The fourth proportional to 547,455.41, 750,001.38 and 526,987.22 is: 721,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,455.41 : 750,001.38 = 526,987.22 : x
  2. Step 2: Convert to fraction form
    547,455.41/750,001.38 = 526,987.22/x
  3. Step 3: Cross multiply
    547,455.41x = 750,001.38 × 526,987.22
  4. Step 4: Simplify right side
    547,455.41x = 395,241,136,516.16
  5. Step 5: Solve for x
    x = 395,241,136,516.16/547,455.41
  6. Step 6: Final answer
    x = 721,960.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.