Home / 501,688.24-692,330.25-286,832.80

Finding the Fourth Proportional to 501,688.24, 692,330.25 and 286,832.80

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Solution

The fourth proportional to 501,688.24, 692,330.25 and 286,832.80 is: 395,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,688.24 : 692,330.25 = 286,832.80 : x
  2. Step 2: Convert to fraction form
    501,688.24/692,330.25 = 286,832.80/x
  3. Step 3: Cross multiply
    501,688.24x = 692,330.25 × 286,832.80
  4. Step 4: Simplify right side
    501,688.24x = 198,583,022,698.04
  5. Step 5: Solve for x
    x = 198,583,022,698.04/501,688.24
  6. Step 6: Final answer
    x = 395,829.54

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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.