Home / 657,048.45-985,961.48-433,056.45

Finding the Fourth Proportional to 657,048.45, 985,961.48 and 433,056.45

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Solution

The fourth proportional to 657,048.45, 985,961.48 and 433,056.45 is: 649,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,048.45 : 985,961.48 = 433,056.45 : x
  2. Step 2: Convert to fraction form
    657,048.45/985,961.48 = 433,056.45/x
  3. Step 3: Cross multiply
    657,048.45x = 985,961.48 × 433,056.45
  4. Step 4: Simplify right side
    657,048.45x = 426,976,976,200.26
  5. Step 5: Solve for x
    x = 426,976,976,200.26/657,048.45
  6. Step 6: Final answer
    x = 649,840.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.