Home / 834,940.32-1,152,141.48-472,397.28

Finding the Fourth Proportional to 834,940.32, 1,152,141.48 and 472,397.28

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Solution

The fourth proportional to 834,940.32, 1,152,141.48 and 472,397.28 is: 651,865.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,940.32 : 1,152,141.48 = 472,397.28 : x
  2. Step 2: Convert to fraction form
    834,940.32/1,152,141.48 = 472,397.28/x
  3. Step 3: Cross multiply
    834,940.32x = 1,152,141.48 × 472,397.28
  4. Step 4: Simplify right side
    834,940.32x = 544,268,501,327.17
  5. Step 5: Solve for x
    x = 544,268,501,327.17/834,940.32
  6. Step 6: Final answer
    x = 651,865.16

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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.