Home / 423,819.61-584,903.85-242,588.40

Finding the Fourth Proportional to 423,819.61, 584,903.85 and 242,588.40

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Solution

The fourth proportional to 423,819.61, 584,903.85 and 242,588.40 is: 334,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,819.61 : 584,903.85 = 242,588.40 : x
  2. Step 2: Convert to fraction form
    423,819.61/584,903.85 = 242,588.40/x
  3. Step 3: Cross multiply
    423,819.61x = 584,903.85 × 242,588.40
  4. Step 4: Simplify right side
    423,819.61x = 141,890,886,200.82
  5. Step 5: Solve for x
    x = 141,890,886,200.82/423,819.61
  6. Step 6: Final answer
    x = 334,790.75

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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.