Home / 556,917.55-835,242.48-257,110.15

Finding the Fourth Proportional to 556,917.55, 835,242.48 and 257,110.15

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Solution

The fourth proportional to 556,917.55, 835,242.48 and 257,110.15 is: 385,603.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,917.55 : 835,242.48 = 257,110.15 : x
  2. Step 2: Convert to fraction form
    556,917.55/835,242.48 = 257,110.15/x
  3. Step 3: Cross multiply
    556,917.55x = 835,242.48 × 257,110.15
  4. Step 4: Simplify right side
    556,917.55x = 214,749,319,319.17
  5. Step 5: Solve for x
    x = 214,749,319,319.17/556,917.55
  6. Step 6: Final answer
    x = 385,603.43

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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.