Home / 817,254.05-1,127,810.58-454,677.82

Finding the Fourth Proportional to 817,254.05, 1,127,810.58 and 454,677.82

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Solution

The fourth proportional to 817,254.05, 1,127,810.58 and 454,677.82 is: 627,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,254.05 : 1,127,810.58 = 454,677.82 : x
  2. Step 2: Convert to fraction form
    817,254.05/1,127,810.58 = 454,677.82/x
  3. Step 3: Cross multiply
    817,254.05x = 1,127,810.58 × 454,677.82
  4. Step 4: Simplify right side
    817,254.05x = 512,790,455,887.34
  5. Step 5: Solve for x
    x = 512,790,455,887.34/817,254.05
  6. Step 6: Final answer
    x = 627,455.39

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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.