Home / 766,244.39-1,056,312.54-536,088.60

Finding the Fourth Proportional to 766,244.39, 1,056,312.54 and 536,088.60

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Solution

The fourth proportional to 766,244.39, 1,056,312.54 and 536,088.60 is: 739,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,244.39 : 1,056,312.54 = 536,088.60 : x
  2. Step 2: Convert to fraction form
    766,244.39/1,056,312.54 = 536,088.60/x
  3. Step 3: Cross multiply
    766,244.39x = 1,056,312.54 × 536,088.60
  4. Step 4: Simplify right side
    766,244.39x = 566,277,110,731.04
  5. Step 5: Solve for x
    x = 566,277,110,731.04/766,244.39
  6. Step 6: Final answer
    x = 739,029.38

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Double scale
Find fourth proportional to 766,245.39, 1,056,313.92 and 536,089.60
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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.