Home / 611,946.60-918,006.30-191,178.60

Finding the Fourth Proportional to 611,946.60, 918,006.30 and 191,178.60

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Solution

The fourth proportional to 611,946.60, 918,006.30 and 191,178.60 is: 286,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,946.60 : 918,006.30 = 191,178.60 : x
  2. Step 2: Convert to fraction form
    611,946.60/918,006.30 = 191,178.60/x
  3. Step 3: Cross multiply
    611,946.60x = 918,006.30 × 191,178.60
  4. Step 4: Simplify right side
    611,946.60x = 175,503,159,225.18
  5. Step 5: Solve for x
    x = 175,503,159,225.18/611,946.60
  6. Step 6: Final answer
    x = 286,794.89

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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.