Home / 684,036.95-943,972.89-373,943.28

Finding the Fourth Proportional to 684,036.95, 943,972.89 and 373,943.28

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Solution

The fourth proportional to 684,036.95, 943,972.89 and 373,943.28 is: 516,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,036.95 : 943,972.89 = 373,943.28 : x
  2. Step 2: Convert to fraction form
    684,036.95/943,972.89 = 373,943.28/x
  3. Step 3: Cross multiply
    684,036.95x = 943,972.89 × 373,943.28
  4. Step 4: Simplify right side
    684,036.95x = 352,992,320,654.37
  5. Step 5: Solve for x
    x = 352,992,320,654.37/684,036.95
  6. Step 6: Final answer
    x = 516,042.77

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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.