Home / 1,910,779.47-2,866,095.09-712,699.56

Finding the Fourth Proportional to 1,910,779.47, 2,866,095.09 and 712,699.56

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Solution

The fourth proportional to 1,910,779.47, 2,866,095.09 and 712,699.56 is: 1,069,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,779.47 : 2,866,095.09 = 712,699.56 : x
  2. Step 2: Convert to fraction form
    1,910,779.47/2,866,095.09 = 712,699.56/x
  3. Step 3: Cross multiply
    1,910,779.47x = 2,866,095.09 × 712,699.56
  4. Step 4: Simplify right side
    1,910,779.47x = 2,042,664,709,561.16
  5. Step 5: Solve for x
    x = 2,042,664,709,561.16/1,910,779.47
  6. Step 6: Final answer
    x = 1,069,021.70

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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.