Home / 727,715.85-1,086,457.03-556,039.08

Finding the Fourth Proportional to 727,715.85, 1,086,457.03 and 556,039.08

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Solution

The fourth proportional to 727,715.85, 1,086,457.03 and 556,039.08 is: 830,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,715.85 : 1,086,457.03 = 556,039.08 : x
  2. Step 2: Convert to fraction form
    727,715.85/1,086,457.03 = 556,039.08/x
  3. Step 3: Cross multiply
    727,715.85x = 1,086,457.03 × 556,039.08
  4. Step 4: Simplify right side
    727,715.85x = 604,112,567,420.73
  5. Step 5: Solve for x
    x = 604,112,567,420.73/727,715.85
  6. Step 6: Final answer
    x = 830,148.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.