Home / 1,312,699.69-1,969,381.63-366,070.51

Finding the Fourth Proportional to 1,312,699.69, 1,969,381.63 and 366,070.51

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Solution

The fourth proportional to 1,312,699.69, 1,969,381.63 and 366,070.51 is: 549,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,699.69 : 1,969,381.63 = 366,070.51 : x
  2. Step 2: Convert to fraction form
    1,312,699.69/1,969,381.63 = 366,070.51/x
  3. Step 3: Cross multiply
    1,312,699.69x = 1,969,381.63 × 366,070.51
  4. Step 4: Simplify right side
    1,312,699.69x = 720,932,533,670.45
  5. Step 5: Solve for x
    x = 720,932,533,670.45/1,312,699.69
  6. Step 6: Final answer
    x = 549,198.37

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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.