Home / 887,126.98-1,224,234.02-505,153.76

Finding the Fourth Proportional to 887,126.98, 1,224,234.02 and 505,153.76

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Solution

The fourth proportional to 887,126.98, 1,224,234.02 and 505,153.76 is: 697,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,126.98 : 1,224,234.02 = 505,153.76 : x
  2. Step 2: Convert to fraction form
    887,126.98/1,224,234.02 = 505,153.76/x
  3. Step 3: Cross multiply
    887,126.98x = 1,224,234.02 × 505,153.76
  4. Step 4: Simplify right side
    887,126.98x = 618,426,416,525.22
  5. Step 5: Solve for x
    x = 618,426,416,525.22/887,126.98
  6. Step 6: Final answer
    x = 697,111.50

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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.