Home / 1,137,784.42-1,570,126.20-621,532.18

Finding the Fourth Proportional to 1,137,784.42, 1,570,126.20 and 621,532.18

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Solution

The fourth proportional to 1,137,784.42, 1,570,126.20 and 621,532.18 is: 857,705.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,784.42 : 1,570,126.20 = 621,532.18 : x
  2. Step 2: Convert to fraction form
    1,137,784.42/1,570,126.20 = 621,532.18/x
  3. Step 3: Cross multiply
    1,137,784.42x = 1,570,126.20 × 621,532.18
  4. Step 4: Simplify right side
    1,137,784.42x = 975,883,959,961.12
  5. Step 5: Solve for x
    x = 975,883,959,961.12/1,137,784.42
  6. Step 6: Final answer
    x = 857,705.50

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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.