Home / 612,667.08-919,001.02-191,975.76

Finding the Fourth Proportional to 612,667.08, 919,001.02 and 191,975.76

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Solution

The fourth proportional to 612,667.08, 919,001.02 and 191,975.76 is: 287,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,667.08 : 919,001.02 = 191,975.76 : x
  2. Step 2: Convert to fraction form
    612,667.08/919,001.02 = 191,975.76/x
  3. Step 3: Cross multiply
    612,667.08x = 919,001.02 × 191,975.76
  4. Step 4: Simplify right side
    612,667.08x = 176,425,919,255.28
  5. Step 5: Solve for x
    x = 176,425,919,255.28/612,667.08
  6. Step 6: Final answer
    x = 287,963.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.