Home / 1,017,190.23-1,403,740.32-558,347.73

Finding the Fourth Proportional to 1,017,190.23, 1,403,740.32 and 558,347.73

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Solution

The fourth proportional to 1,017,190.23, 1,403,740.32 and 558,347.73 is: 770,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,190.23 : 1,403,740.32 = 558,347.73 : x
  2. Step 2: Convert to fraction form
    1,017,190.23/1,403,740.32 = 558,347.73/x
  3. Step 3: Cross multiply
    1,017,190.23x = 1,403,740.32 × 558,347.73
  4. Step 4: Simplify right side
    1,017,190.23x = 783,775,221,181.47
  5. Step 5: Solve for x
    x = 783,775,221,181.47/1,017,190.23
  6. Step 6: Final answer
    x = 770,529.64

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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.