Home / 501,660.60-692,094.55-286,685.33

Finding the Fourth Proportional to 501,660.60, 692,094.55 and 286,685.33

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Solution

The fourth proportional to 501,660.60, 692,094.55 and 286,685.33 is: 395,513.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,660.60 : 692,094.55 = 286,685.33 : x
  2. Step 2: Convert to fraction form
    501,660.60/692,094.55 = 286,685.33/x
  3. Step 3: Cross multiply
    501,660.60x = 692,094.55 × 286,685.33
  4. Step 4: Simplify right side
    501,660.60x = 198,413,355,471.48
  5. Step 5: Solve for x
    x = 198,413,355,471.48/501,660.60
  6. Step 6: Final answer
    x = 395,513.13

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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.