Home / 1,054,498.07-1,455,205.12-571,061.72

Finding the Fourth Proportional to 1,054,498.07, 1,455,205.12 and 571,061.72

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Solution

The fourth proportional to 1,054,498.07, 1,455,205.12 and 571,061.72 is: 788,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,498.07 : 1,455,205.12 = 571,061.72 : x
  2. Step 2: Convert to fraction form
    1,054,498.07/1,455,205.12 = 571,061.72/x
  3. Step 3: Cross multiply
    1,054,498.07x = 1,455,205.12 × 571,061.72
  4. Step 4: Simplify right side
    1,054,498.07x = 831,011,940,990.37
  5. Step 5: Solve for x
    x = 831,011,940,990.37/1,054,498.07
  6. Step 6: Final answer
    x = 788,063.97

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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.