Home / 501,944.10-692,810.69-287,151.54

Finding the Fourth Proportional to 501,944.10, 692,810.69 and 287,151.54

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Solution

The fourth proportional to 501,944.10, 692,810.69 and 287,151.54 is: 396,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,944.10 : 692,810.69 = 287,151.54 : x
  2. Step 2: Convert to fraction form
    501,944.10/692,810.69 = 287,151.54/x
  3. Step 3: Cross multiply
    501,944.10x = 692,810.69 × 287,151.54
  4. Step 4: Simplify right side
    501,944.10x = 198,941,655,126.21
  5. Step 5: Solve for x
    x = 198,941,655,126.21/501,944.10
  6. Step 6: Final answer
    x = 396,342.25

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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.