Home / 678,941.85-936,955.38-373,037.31

Finding the Fourth Proportional to 678,941.85, 936,955.38 and 373,037.31

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Solution

The fourth proportional to 678,941.85, 936,955.38 and 373,037.31 is: 514,800.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,941.85 : 936,955.38 = 373,037.31 : x
  2. Step 2: Convert to fraction form
    678,941.85/936,955.38 = 373,037.31/x
  3. Step 3: Cross multiply
    678,941.85x = 936,955.38 × 373,037.31
  4. Step 4: Simplify right side
    678,941.85x = 349,519,314,545.23
  5. Step 5: Solve for x
    x = 349,519,314,545.23/678,941.85
  6. Step 6: Final answer
    x = 514,800.07

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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.