Home / 660,538.48-911,599.32-374,109.52

Finding the Fourth Proportional to 660,538.48, 911,599.32 and 374,109.52

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Solution

The fourth proportional to 660,538.48, 911,599.32 and 374,109.52 is: 516,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,538.48 : 911,599.32 = 374,109.52 : x
  2. Step 2: Convert to fraction form
    660,538.48/911,599.32 = 374,109.52/x
  3. Step 3: Cross multiply
    660,538.48x = 911,599.32 × 374,109.52
  4. Step 4: Simplify right side
    660,538.48x = 341,037,984,037.53
  5. Step 5: Solve for x
    x = 341,037,984,037.53/660,538.48
  6. Step 6: Final answer
    x = 516,302.98

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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.