Home / 1,127,060.80-1,555,503.40-697,479.32

Finding the Fourth Proportional to 1,127,060.80, 1,555,503.40 and 697,479.32

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Solution

The fourth proportional to 1,127,060.80, 1,555,503.40 and 697,479.32 is: 962,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,060.80 : 1,555,503.40 = 697,479.32 : x
  2. Step 2: Convert to fraction form
    1,127,060.80/1,555,503.40 = 697,479.32/x
  3. Step 3: Cross multiply
    1,127,060.80x = 1,555,503.40 × 697,479.32
  4. Step 4: Simplify right side
    1,127,060.80x = 1,084,931,453,689.69
  5. Step 5: Solve for x
    x = 1,084,931,453,689.69/1,127,060.80
  6. Step 6: Final answer
    x = 962,620.17

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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.