Home / 1,238,206.64-1,709,088-808,553.48

Finding the Fourth Proportional to 1,238,206.64, 1,709,088 and 808,553.48

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Solution

The fourth proportional to 1,238,206.64, 1,709,088 and 808,553.48 is: 1,116,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,206.64 : 1,709,088 = 808,553.48 : x
  2. Step 2: Convert to fraction form
    1,238,206.64/1,709,088 = 808,553.48/x
  3. Step 3: Cross multiply
    1,238,206.64x = 1,709,088 × 808,553.48
  4. Step 4: Simplify right side
    1,238,206.64x = 1,381,889,050,026.24
  5. Step 5: Solve for x
    x = 1,381,889,050,026.24/1,238,206.64
  6. Step 6: Final answer
    x = 1,116,040.74

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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.