Home / 1,326,457.69-1,990,107.09-473,511.06

Finding the Fourth Proportional to 1,326,457.69, 1,990,107.09 and 473,511.06

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Solution

The fourth proportional to 1,326,457.69, 1,990,107.09 and 473,511.06 is: 710,416.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,457.69 : 1,990,107.09 = 473,511.06 : x
  2. Step 2: Convert to fraction form
    1,326,457.69/1,990,107.09 = 473,511.06/x
  3. Step 3: Cross multiply
    1,326,457.69x = 1,990,107.09 × 473,511.06
  4. Step 4: Simplify right side
    1,326,457.69x = 942,337,717,699.42
  5. Step 5: Solve for x
    x = 942,337,717,699.42/1,326,457.69
  6. Step 6: Final answer
    x = 710,416.72

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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.