Home / 602,918.71-831,996.50-357,913.65

Finding the Fourth Proportional to 602,918.71, 831,996.50 and 357,913.65

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Solution

The fourth proportional to 602,918.71, 831,996.50 and 357,913.65 is: 493,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,918.71 : 831,996.50 = 357,913.65 : x
  2. Step 2: Convert to fraction form
    602,918.71/831,996.50 = 357,913.65/x
  3. Step 3: Cross multiply
    602,918.71x = 831,996.50 × 357,913.65
  4. Step 4: Simplify right side
    602,918.71x = 297,782,905,432.64
  5. Step 5: Solve for x
    x = 297,782,905,432.64/602,918.71
  6. Step 6: Final answer
    x = 493,902.25

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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.