Home / 913,956.95-1,261,215.74-506,047.43

Finding the Fourth Proportional to 913,956.95, 1,261,215.74 and 506,047.43

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Solution

The fourth proportional to 913,956.95, 1,261,215.74 and 506,047.43 is: 698,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,956.95 : 1,261,215.74 = 506,047.43 : x
  2. Step 2: Convert to fraction form
    913,956.95/1,261,215.74 = 506,047.43/x
  3. Step 3: Cross multiply
    913,956.95x = 1,261,215.74 × 506,047.43
  4. Step 4: Simplify right side
    913,956.95x = 638,234,975,066.23
  5. Step 5: Solve for x
    x = 638,234,975,066.23/913,956.95
  6. Step 6: Final answer
    x = 698,320.61

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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.