Home / 938,543.74-1,295,173.47-530,638.54

Finding the Fourth Proportional to 938,543.74, 1,295,173.47 and 530,638.54

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Solution

The fourth proportional to 938,543.74, 1,295,173.47 and 530,638.54 is: 732,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,543.74 : 1,295,173.47 = 530,638.54 : x
  2. Step 2: Convert to fraction form
    938,543.74/1,295,173.47 = 530,638.54/x
  3. Step 3: Cross multiply
    938,543.74x = 1,295,173.47 × 530,638.54
  4. Step 4: Simplify right side
    938,543.74x = 687,268,959,167.53
  5. Step 5: Solve for x
    x = 687,268,959,167.53/938,543.74
  6. Step 6: Final answer
    x = 732,271.64

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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.