Home / 387,597.03-535,030.04-226,504.43

Finding the Fourth Proportional to 387,597.03, 535,030.04 and 226,504.43

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Solution

The fourth proportional to 387,597.03, 535,030.04 and 226,504.43 is: 312,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,597.03 : 535,030.04 = 226,504.43 : x
  2. Step 2: Convert to fraction form
    387,597.03/535,030.04 = 226,504.43/x
  3. Step 3: Cross multiply
    387,597.03x = 535,030.04 × 226,504.43
  4. Step 4: Simplify right side
    387,597.03x = 121,186,674,140.55
  5. Step 5: Solve for x
    x = 121,186,674,140.55/387,597.03
  6. Step 6: Final answer
    x = 312,661.52

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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.