Home / 634,452.87-875,569.52-347,985.03

Finding the Fourth Proportional to 634,452.87, 875,569.52 and 347,985.03

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Solution

The fourth proportional to 634,452.87, 875,569.52 and 347,985.03 is: 480,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,452.87 : 875,569.52 = 347,985.03 : x
  2. Step 2: Convert to fraction form
    634,452.87/875,569.52 = 347,985.03/x
  3. Step 3: Cross multiply
    634,452.87x = 875,569.52 × 347,985.03
  4. Step 4: Simplify right side
    634,452.87x = 304,685,083,944.36
  5. Step 5: Solve for x
    x = 304,685,083,944.36/634,452.87
  6. Step 6: Final answer
    x = 480,232.81

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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.