Home / 1,920,809.40-2,881,359.90-572,866.80

Finding the Fourth Proportional to 1,920,809.40, 2,881,359.90 and 572,866.80

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Solution

The fourth proportional to 1,920,809.40, 2,881,359.90 and 572,866.80 is: 859,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,809.40 : 2,881,359.90 = 572,866.80 : x
  2. Step 2: Convert to fraction form
    1,920,809.40/2,881,359.90 = 572,866.80/x
  3. Step 3: Cross multiply
    1,920,809.40x = 2,881,359.90 × 572,866.80
  4. Step 4: Simplify right side
    1,920,809.40x = 1,650,635,425,561.32
  5. Step 5: Solve for x
    x = 1,650,635,425,561.32/1,920,809.40
  6. Step 6: Final answer
    x = 859,343.68

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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.