Home / 1,054,723.22-1,455,518.45-571,286.87

Finding the Fourth Proportional to 1,054,723.22, 1,455,518.45 and 571,286.87

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Solution

The fourth proportional to 1,054,723.22, 1,455,518.45 and 571,286.87 is: 788,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,723.22 : 1,455,518.45 = 571,286.87 : x
  2. Step 2: Convert to fraction form
    1,054,723.22/1,455,518.45 = 571,286.87/x
  3. Step 3: Cross multiply
    1,054,723.22x = 1,455,518.45 × 571,286.87
  4. Step 4: Simplify right side
    1,054,723.22x = 831,518,574,239.58
  5. Step 5: Solve for x
    x = 831,518,574,239.58/1,054,723.22
  6. Step 6: Final answer
    x = 788,376.10

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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.