Home / 993,608.60-1,490,607.30-424,988.60

Finding the Fourth Proportional to 993,608.60, 1,490,607.30 and 424,988.60

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Solution

The fourth proportional to 993,608.60, 1,490,607.30 and 424,988.60 is: 637,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,608.60 : 1,490,607.30 = 424,988.60 : x
  2. Step 2: Convert to fraction form
    993,608.60/1,490,607.30 = 424,988.60/x
  3. Step 3: Cross multiply
    993,608.60x = 1,490,607.30 × 424,988.60
  4. Step 4: Simplify right side
    993,608.60x = 633,491,109,576.78
  5. Step 5: Solve for x
    x = 633,491,109,576.78/993,608.60
  6. Step 6: Final answer
    x = 637,566.05

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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.