Home / 938,542.74-1,295,172.09-530,637.54

Finding the Fourth Proportional to 938,542.74, 1,295,172.09 and 530,637.54

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Solution

The fourth proportional to 938,542.74, 1,295,172.09 and 530,637.54 is: 732,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,542.74 : 1,295,172.09 = 530,637.54 : x
  2. Step 2: Convert to fraction form
    938,542.74/1,295,172.09 = 530,637.54/x
  3. Step 3: Cross multiply
    938,542.74x = 1,295,172.09 × 530,637.54
  4. Step 4: Simplify right side
    938,542.74x = 687,266,931,714.26
  5. Step 5: Solve for x
    x = 687,266,931,714.26/938,542.74
  6. Step 6: Final answer
    x = 732,270.26

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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.