Home / 1,183,885.20-1,776,000.60-385,030.80

Finding the Fourth Proportional to 1,183,885.20, 1,776,000.60 and 385,030.80

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Solution

The fourth proportional to 1,183,885.20, 1,776,000.60 and 385,030.80 is: 577,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,885.20 : 1,776,000.60 = 385,030.80 : x
  2. Step 2: Convert to fraction form
    1,183,885.20/1,776,000.60 = 385,030.80/x
  3. Step 3: Cross multiply
    1,183,885.20x = 1,776,000.60 × 385,030.80
  4. Step 4: Simplify right side
    1,183,885.20x = 683,814,931,818.48
  5. Step 5: Solve for x
    x = 683,814,931,818.48/1,183,885.20
  6. Step 6: Final answer
    x = 577,602.40

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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.