Home / 426,010.47-635,526.96-414,427.56

Finding the Fourth Proportional to 426,010.47, 635,526.96 and 414,427.56

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Solution

The fourth proportional to 426,010.47, 635,526.96 and 414,427.56 is: 618,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,010.47 : 635,526.96 = 414,427.56 : x
  2. Step 2: Convert to fraction form
    426,010.47/635,526.96 = 414,427.56/x
  3. Step 3: Cross multiply
    426,010.47x = 635,526.96 × 414,427.56
  4. Step 4: Simplify right side
    426,010.47x = 263,379,887,347.02
  5. Step 5: Solve for x
    x = 263,379,887,347.02/426,010.47
  6. Step 6: Final answer
    x = 618,247.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.