Home / 1,127,108-1,555,409.40-617,813.84

Finding the Fourth Proportional to 1,127,108, 1,555,409.40 and 617,813.84

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Solution

The fourth proportional to 1,127,108, 1,555,409.40 and 617,813.84 is: 852,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,108 : 1,555,409.40 = 617,813.84 : x
  2. Step 2: Convert to fraction form
    1,127,108/1,555,409.40 = 617,813.84/x
  3. Step 3: Cross multiply
    1,127,108x = 1,555,409.40 × 617,813.84
  4. Step 4: Simplify right side
    1,127,108x = 960,953,454,186.10
  5. Step 5: Solve for x
    x = 960,953,454,186.10/1,127,108
  6. Step 6: Final answer
    x = 852,583.30

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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.