Home / 877,474.78-1,211,336.14-555,341.02

Finding the Fourth Proportional to 877,474.78, 1,211,336.14 and 555,341.02

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Solution

The fourth proportional to 877,474.78, 1,211,336.14 and 555,341.02 is: 766,637.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,474.78 : 1,211,336.14 = 555,341.02 : x
  2. Step 2: Convert to fraction form
    877,474.78/1,211,336.14 = 555,341.02/x
  3. Step 3: Cross multiply
    877,474.78x = 1,211,336.14 × 555,341.02
  4. Step 4: Simplify right side
    877,474.78x = 672,704,644,773.76
  5. Step 5: Solve for x
    x = 672,704,644,773.76/877,474.78
  6. Step 6: Final answer
    x = 766,637.01

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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.