Home / 917,528.91-1,266,289.17-555,152.55

Finding the Fourth Proportional to 917,528.91, 1,266,289.17 and 555,152.55

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Solution

The fourth proportional to 917,528.91, 1,266,289.17 and 555,152.55 is: 766,170.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,528.91 : 1,266,289.17 = 555,152.55 : x
  2. Step 2: Convert to fraction form
    917,528.91/1,266,289.17 = 555,152.55/x
  3. Step 3: Cross multiply
    917,528.91x = 1,266,289.17 × 555,152.55
  4. Step 4: Simplify right side
    917,528.91x = 702,983,661,762.88
  5. Step 5: Solve for x
    x = 702,983,661,762.88/917,528.91
  6. Step 6: Final answer
    x = 766,170.59

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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.