Home / 879,215.66-1,318,783.83-366,669.71

Finding the Fourth Proportional to 879,215.66, 1,318,783.83 and 366,669.71

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Solution

The fourth proportional to 879,215.66, 1,318,783.83 and 366,669.71 is: 549,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,215.66 : 1,318,783.83 = 366,669.71 : x
  2. Step 2: Convert to fraction form
    879,215.66/1,318,783.83 = 366,669.71/x
  3. Step 3: Cross multiply
    879,215.66x = 1,318,783.83 × 366,669.71
  4. Step 4: Simplify right side
    879,215.66x = 483,558,084,498.79
  5. Step 5: Solve for x
    x = 483,558,084,498.79/879,215.66
  6. Step 6: Final answer
    x = 549,988.03

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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.