Home / 887,380.16-1,224,557.28-505,461.44

Finding the Fourth Proportional to 887,380.16, 1,224,557.28 and 505,461.44

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Solution

The fourth proportional to 887,380.16, 1,224,557.28 and 505,461.44 is: 697,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,380.16 : 1,224,557.28 = 505,461.44 : x
  2. Step 2: Convert to fraction form
    887,380.16/1,224,557.28 = 505,461.44/x
  3. Step 3: Cross multiply
    887,380.16x = 1,224,557.28 × 505,461.44
  4. Step 4: Simplify right side
    887,380.16x = 618,966,486,111.28
  5. Step 5: Solve for x
    x = 618,966,486,111.28/887,380.16
  6. Step 6: Final answer
    x = 697,521.21

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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.