Home / 834,943.72-1,152,186.96-472,373.76

Finding the Fourth Proportional to 834,943.72, 1,152,186.96 and 472,373.76

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Solution

The fourth proportional to 834,943.72, 1,152,186.96 and 472,373.76 is: 651,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,943.72 : 1,152,186.96 = 472,373.76 : x
  2. Step 2: Convert to fraction form
    834,943.72/1,152,186.96 = 472,373.76/x
  3. Step 3: Cross multiply
    834,943.72x = 1,152,186.96 × 472,373.76
  4. Step 4: Simplify right side
    834,943.72x = 544,262,886,518.17
  5. Step 5: Solve for x
    x = 544,262,886,518.17/834,943.72
  6. Step 6: Final answer
    x = 651,855.78

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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.