Home / 762,127.83-1,051,700.81-439,941.74

Finding the Fourth Proportional to 762,127.83, 1,051,700.81 and 439,941.74

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Solution

The fourth proportional to 762,127.83, 1,051,700.81 and 439,941.74 is: 607,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,127.83 : 1,051,700.81 = 439,941.74 : x
  2. Step 2: Convert to fraction form
    762,127.83/1,051,700.81 = 439,941.74/x
  3. Step 3: Cross multiply
    762,127.83x = 1,051,700.81 × 439,941.74
  4. Step 4: Simplify right side
    762,127.83x = 462,687,076,852.60
  5. Step 5: Solve for x
    x = 462,687,076,852.60/762,127.83
  6. Step 6: Final answer
    x = 607,099.04

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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.