Home / 931,335.16-1,285,018.02-543,930.76

Finding the Fourth Proportional to 931,335.16, 1,285,018.02 and 543,930.76

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Solution

The fourth proportional to 931,335.16, 1,285,018.02 and 543,930.76 is: 750,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,335.16 : 1,285,018.02 = 543,930.76 : x
  2. Step 2: Convert to fraction form
    931,335.16/1,285,018.02 = 543,930.76/x
  3. Step 3: Cross multiply
    931,335.16x = 1,285,018.02 × 543,930.76
  4. Step 4: Simplify right side
    931,335.16x = 698,960,828,232.30
  5. Step 5: Solve for x
    x = 698,960,828,232.30/931,335.16
  6. Step 6: Final answer
    x = 750,493.33

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Double scale
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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.