Home / 1,207,410.04-1,666,224.66-663,580.72

Finding the Fourth Proportional to 1,207,410.04, 1,666,224.66 and 663,580.72

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Solution

The fourth proportional to 1,207,410.04, 1,666,224.66 and 663,580.72 is: 915,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,410.04 : 1,666,224.66 = 663,580.72 : x
  2. Step 2: Convert to fraction form
    1,207,410.04/1,666,224.66 = 663,580.72/x
  3. Step 3: Cross multiply
    1,207,410.04x = 1,666,224.66 × 663,580.72
  4. Step 4: Simplify right side
    1,207,410.04x = 1,105,674,559,564.56
  5. Step 5: Solve for x
    x = 1,105,674,559,564.56/1,207,410.04
  6. Step 6: Final answer
    x = 915,740.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.