Home / 718,810.20-1,076,903.10-437,999.40

Finding the Fourth Proportional to 718,810.20, 1,076,903.10 and 437,999.40

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Solution

The fourth proportional to 718,810.20, 1,076,903.10 and 437,999.40 is: 656,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,810.20 : 1,076,903.10 = 437,999.40 : x
  2. Step 2: Convert to fraction form
    718,810.20/1,076,903.10 = 437,999.40/x
  3. Step 3: Cross multiply
    718,810.20x = 1,076,903.10 × 437,999.40
  4. Step 4: Simplify right side
    718,810.20x = 471,682,911,658.14
  5. Step 5: Solve for x
    x = 471,682,911,658.14/718,810.20
  6. Step 6: Final answer
    x = 656,199.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.