Home / 402,106.07-554,884.73-230,027.45

Finding the Fourth Proportional to 402,106.07, 554,884.73 and 230,027.45

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Solution

The fourth proportional to 402,106.07, 554,884.73 and 230,027.45 is: 317,425.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,106.07 : 554,884.73 = 230,027.45 : x
  2. Step 2: Convert to fraction form
    402,106.07/554,884.73 = 230,027.45/x
  3. Step 3: Cross multiply
    402,106.07x = 554,884.73 × 230,027.45
  4. Step 4: Simplify right side
    402,106.07x = 127,638,716,423.88
  5. Step 5: Solve for x
    x = 127,638,716,423.88/402,106.07
  6. Step 6: Final answer
    x = 317,425.49

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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.