Home / 1,127,060.85-1,555,503.48-697,479.38

Finding the Fourth Proportional to 1,127,060.85, 1,555,503.48 and 697,479.38

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Solution

The fourth proportional to 1,127,060.85, 1,555,503.48 and 697,479.38 is: 962,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,060.85 : 1,555,503.48 = 697,479.38 : x
  2. Step 2: Convert to fraction form
    1,127,060.85/1,555,503.48 = 697,479.38/x
  3. Step 3: Cross multiply
    1,127,060.85x = 1,555,503.48 × 697,479.38
  4. Step 4: Simplify right side
    1,127,060.85x = 1,084,931,602,818.24
  5. Step 5: Solve for x
    x = 1,084,931,602,818.24/1,127,060.85
  6. Step 6: Final answer
    x = 962,620.25

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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.