Home / 926,977.61-1,391,365.38-447,543.47

Finding the Fourth Proportional to 926,977.61, 1,391,365.38 and 447,543.47

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Solution

The fourth proportional to 926,977.61, 1,391,365.38 and 447,543.47 is: 671,749.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,977.61 : 1,391,365.38 = 447,543.47 : x
  2. Step 2: Convert to fraction form
    926,977.61/1,391,365.38 = 447,543.47/x
  3. Step 3: Cross multiply
    926,977.61x = 1,391,365.38 × 447,543.47
  4. Step 4: Simplify right side
    926,977.61x = 622,696,495,359.77
  5. Step 5: Solve for x
    x = 622,696,495,359.77/926,977.61
  6. Step 6: Final answer
    x = 671,749.23

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1.5x scale

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.