Home / 769,184.02-1,060,784.42-640,548.44

Finding the Fourth Proportional to 769,184.02, 1,060,784.42 and 640,548.44

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Solution

The fourth proportional to 769,184.02, 1,060,784.42 and 640,548.44 is: 883,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,184.02 : 1,060,784.42 = 640,548.44 : x
  2. Step 2: Convert to fraction form
    769,184.02/1,060,784.42 = 640,548.44/x
  3. Step 3: Cross multiply
    769,184.02x = 1,060,784.42 × 640,548.44
  4. Step 4: Simplify right side
    769,184.02x = 679,483,799,541.81
  5. Step 5: Solve for x
    x = 679,483,799,541.81/769,184.02
  6. Step 6: Final answer
    x = 883,382.63

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Double scale
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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.