Home / 783,417.02-1,175,125.59-517,115.34

Finding the Fourth Proportional to 783,417.02, 1,175,125.59 and 517,115.34

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Solution

The fourth proportional to 783,417.02, 1,175,125.59 and 517,115.34 is: 775,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,417.02 : 1,175,125.59 = 517,115.34 : x
  2. Step 2: Convert to fraction form
    783,417.02/1,175,125.59 = 517,115.34/x
  3. Step 3: Cross multiply
    783,417.02x = 1,175,125.59 × 517,115.34
  4. Step 4: Simplify right side
    783,417.02x = 607,675,469,015.55
  5. Step 5: Solve for x
    x = 607,675,469,015.55/783,417.02
  6. Step 6: Final answer
    x = 775,673.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.