Home / 939,938.20-1,409,907.30-584,769.40

Finding the Fourth Proportional to 939,938.20, 1,409,907.30 and 584,769.40

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Solution

The fourth proportional to 939,938.20, 1,409,907.30 and 584,769.40 is: 877,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,938.20 : 1,409,907.30 = 584,769.40 : x
  2. Step 2: Convert to fraction form
    939,938.20/1,409,907.30 = 584,769.40/x
  3. Step 3: Cross multiply
    939,938.20x = 1,409,907.30 × 584,769.40
  4. Step 4: Simplify right side
    939,938.20x = 824,470,645,876.62
  5. Step 5: Solve for x
    x = 824,470,645,876.62/939,938.20
  6. Step 6: Final answer
    x = 877,154.10

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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.