Home / 656,054.02-905,350.59-369,666.37

Finding the Fourth Proportional to 656,054.02, 905,350.59 and 369,666.37

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Solution

The fourth proportional to 656,054.02, 905,350.59 and 369,666.37 is: 510,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,054.02 : 905,350.59 = 369,666.37 : x
  2. Step 2: Convert to fraction form
    656,054.02/905,350.59 = 369,666.37/x
  3. Step 3: Cross multiply
    656,054.02x = 905,350.59 × 369,666.37
  4. Step 4: Simplify right side
    656,054.02x = 334,677,661,655.91
  5. Step 5: Solve for x
    x = 334,677,661,655.91/656,054.02
  6. Step 6: Final answer
    x = 510,137.36

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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.