Home / 875,467.47-1,208,707.30-549,227.69

Finding the Fourth Proportional to 875,467.47, 1,208,707.30 and 549,227.69

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Solution

The fourth proportional to 875,467.47, 1,208,707.30 and 549,227.69 is: 758,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,467.47 : 1,208,707.30 = 549,227.69 : x
  2. Step 2: Convert to fraction form
    875,467.47/1,208,707.30 = 549,227.69/x
  3. Step 3: Cross multiply
    875,467.47x = 1,208,707.30 × 549,227.69
  4. Step 4: Simplify right side
    875,467.47x = 663,855,509,475.46
  5. Step 5: Solve for x
    x = 663,855,509,475.46/875,467.47
  6. Step 6: Final answer
    x = 758,286.89

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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.