Home / 872,911.93-1,204,222.86-630,811.03

Finding the Fourth Proportional to 872,911.93, 1,204,222.86 and 630,811.03

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Solution

The fourth proportional to 872,911.93, 1,204,222.86 and 630,811.03 is: 870,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,911.93 : 1,204,222.86 = 630,811.03 : x
  2. Step 2: Convert to fraction form
    872,911.93/1,204,222.86 = 630,811.03/x
  3. Step 3: Cross multiply
    872,911.93x = 1,204,222.86 × 630,811.03
  4. Step 4: Simplify right side
    872,911.93x = 759,637,062,666.15
  5. Step 5: Solve for x
    x = 759,637,062,666.15/872,911.93
  6. Step 6: Final answer
    x = 870,233.34

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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.