Home / 1,938,980.79-2,908,786.50-572,893.11

Finding the Fourth Proportional to 1,938,980.79, 2,908,786.50 and 572,893.11

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Solution

The fourth proportional to 1,938,980.79, 2,908,786.50 and 572,893.11 is: 859,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,980.79 : 2,908,786.50 = 572,893.11 : x
  2. Step 2: Convert to fraction form
    1,938,980.79/2,908,786.50 = 572,893.11/x
  3. Step 3: Cross multiply
    1,938,980.79x = 2,908,786.50 × 572,893.11
  4. Step 4: Simplify right side
    1,938,980.79x = 1,666,423,744,311.02
  5. Step 5: Solve for x
    x = 1,666,423,744,311.02/1,938,980.79
  6. Step 6: Final answer
    x = 859,432.83

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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.