Home / 919,941.18-1,269,509.13-512,036.52

Finding the Fourth Proportional to 919,941.18, 1,269,509.13 and 512,036.52

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Solution

The fourth proportional to 919,941.18, 1,269,509.13 and 512,036.52 is: 706,605.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,941.18 : 1,269,509.13 = 512,036.52 : x
  2. Step 2: Convert to fraction form
    919,941.18/1,269,509.13 = 512,036.52/x
  3. Step 3: Cross multiply
    919,941.18x = 1,269,509.13 × 512,036.52
  4. Step 4: Simplify right side
    919,941.18x = 650,035,037,033.43
  5. Step 5: Solve for x
    x = 650,035,037,033.43/919,941.18
  6. Step 6: Final answer
    x = 706,605.00

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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.