Home / 727,715.03-1,086,455.82-556,038.27

Finding the Fourth Proportional to 727,715.03, 1,086,455.82 and 556,038.27

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Solution

The fourth proportional to 727,715.03, 1,086,455.82 and 556,038.27 is: 830,147.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,715.03 : 1,086,455.82 = 556,038.27 : x
  2. Step 2: Convert to fraction form
    727,715.03/1,086,455.82 = 556,038.27/x
  3. Step 3: Cross multiply
    727,715.03x = 1,086,455.82 × 556,038.27
  4. Step 4: Simplify right side
    727,715.03x = 604,111,014,584.23
  5. Step 5: Solve for x
    x = 604,111,014,584.23/727,715.03
  6. Step 6: Final answer
    x = 830,147.78

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1.5x scale

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.