Home / 418,130.10-577,043.60-236,811.40

Finding the Fourth Proportional to 418,130.10, 577,043.60 and 236,811.40

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Solution

The fourth proportional to 418,130.10, 577,043.60 and 236,811.40 is: 326,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,130.10 : 577,043.60 = 236,811.40 : x
  2. Step 2: Convert to fraction form
    418,130.10/577,043.60 = 236,811.40/x
  3. Step 3: Cross multiply
    418,130.10x = 577,043.60 × 236,811.40
  4. Step 4: Simplify right side
    418,130.10x = 136,650,500,150.37
  5. Step 5: Solve for x
    x = 136,650,500,150.37/418,130.10
  6. Step 6: Final answer
    x = 326,813.35

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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.