Home / 889,818.21-1,228,002.93-545,693.76

Finding the Fourth Proportional to 889,818.21, 1,228,002.93 and 545,693.76

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Solution

The fourth proportional to 889,818.21, 1,228,002.93 and 545,693.76 is: 753,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,818.21 : 1,228,002.93 = 545,693.76 : x
  2. Step 2: Convert to fraction form
    889,818.21/1,228,002.93 = 545,693.76/x
  3. Step 3: Cross multiply
    889,818.21x = 1,228,002.93 × 545,693.76
  4. Step 4: Simplify right side
    889,818.21x = 670,113,536,162.72
  5. Step 5: Solve for x
    x = 670,113,536,162.72/889,818.21
  6. Step 6: Final answer
    x = 753,090.38

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Double scale
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1.5x scale

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.