Home / 1,057,686.96-1,587,160.80-383,820.84

Finding the Fourth Proportional to 1,057,686.96, 1,587,160.80 and 383,820.84

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Solution

The fourth proportional to 1,057,686.96, 1,587,160.80 and 383,820.84 is: 575,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,686.96 : 1,587,160.80 = 383,820.84 : x
  2. Step 2: Convert to fraction form
    1,057,686.96/1,587,160.80 = 383,820.84/x
  3. Step 3: Cross multiply
    1,057,686.96x = 1,587,160.80 × 383,820.84
  4. Step 4: Simplify right side
    1,057,686.96x = 609,185,391,471.07
  5. Step 5: Solve for x
    x = 609,185,391,471.07/1,057,686.96
  6. Step 6: Final answer
    x = 575,960.01

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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.