Home / 912,238.58-1,258,852.10-504,314.48

Finding the Fourth Proportional to 912,238.58, 1,258,852.10 and 504,314.48

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Solution

The fourth proportional to 912,238.58, 1,258,852.10 and 504,314.48 is: 695,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,238.58 : 1,258,852.10 = 504,314.48 : x
  2. Step 2: Convert to fraction form
    912,238.58/1,258,852.10 = 504,314.48/x
  3. Step 3: Cross multiply
    912,238.58x = 1,258,852.10 × 504,314.48
  4. Step 4: Simplify right side
    912,238.58x = 634,857,342,208.41
  5. Step 5: Solve for x
    x = 634,857,342,208.41/912,238.58
  6. Step 6: Final answer
    x = 695,933.45

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Double scale
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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.