Home / 501,652.06-692,280.34-286,796.77

Finding the Fourth Proportional to 501,652.06, 692,280.34 and 286,796.77

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Solution

The fourth proportional to 501,652.06, 692,280.34 and 286,796.77 is: 395,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,652.06 : 692,280.34 = 286,796.77 : x
  2. Step 2: Convert to fraction form
    501,652.06/692,280.34 = 286,796.77/x
  3. Step 3: Cross multiply
    501,652.06x = 692,280.34 × 286,796.77
  4. Step 4: Simplify right side
    501,652.06x = 198,543,762,998.81
  5. Step 5: Solve for x
    x = 198,543,762,998.81/501,652.06
  6. Step 6: Final answer
    x = 395,779.82

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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.