Home / 501,538.52-692,123.07-286,683.19

Finding the Fourth Proportional to 501,538.52, 692,123.07 and 286,683.19

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Solution

The fourth proportional to 501,538.52, 692,123.07 and 286,683.19 is: 395,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,538.52 : 692,123.07 = 286,683.19 : x
  2. Step 2: Convert to fraction form
    501,538.52/692,123.07 = 286,683.19/x
  3. Step 3: Cross multiply
    501,538.52x = 692,123.07 × 286,683.19
  4. Step 4: Simplify right side
    501,538.52x = 198,420,051,520.41
  5. Step 5: Solve for x
    x = 198,420,051,520.41/501,538.52
  6. Step 6: Final answer
    x = 395,622.76

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Double scale
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Similar ratio
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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.