Home / 747,341.40-1,121,455.18-700,055.76

Finding the Fourth Proportional to 747,341.40, 1,121,455.18 and 700,055.76

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Solution

The fourth proportional to 747,341.40, 1,121,455.18 and 700,055.76 is: 1,050,498.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,341.40 : 1,121,455.18 = 700,055.76 : x
  2. Step 2: Convert to fraction form
    747,341.40/1,121,455.18 = 700,055.76/x
  3. Step 3: Cross multiply
    747,341.40x = 1,121,455.18 × 700,055.76
  4. Step 4: Simplify right side
    747,341.40x = 785,081,158,340.84
  5. Step 5: Solve for x
    x = 785,081,158,340.84/747,341.40
  6. Step 6: Final answer
    x = 1,050,498.69

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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.