Home / 757,685.48-1,045,627.65-413,543.34

Finding the Fourth Proportional to 757,685.48, 1,045,627.65 and 413,543.34

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Solution

The fourth proportional to 757,685.48, 1,045,627.65 and 413,543.34 is: 570,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,685.48 : 1,045,627.65 = 413,543.34 : x
  2. Step 2: Convert to fraction form
    757,685.48/1,045,627.65 = 413,543.34/x
  3. Step 3: Cross multiply
    757,685.48x = 1,045,627.65 × 413,543.34
  4. Step 4: Simplify right side
    757,685.48x = 432,412,350,777.35
  5. Step 5: Solve for x
    x = 432,412,350,777.35/757,685.48
  6. Step 6: Final answer
    x = 570,701.65

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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.