Home / 783,576.10-1,175,364.40-517,274.33

Finding the Fourth Proportional to 783,576.10, 1,175,364.40 and 517,274.33

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Solution

The fourth proportional to 783,576.10, 1,175,364.40 and 517,274.33 is: 775,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,576.10 : 1,175,364.40 = 517,274.33 : x
  2. Step 2: Convert to fraction form
    783,576.10/1,175,364.40 = 517,274.33/x
  3. Step 3: Cross multiply
    783,576.10x = 1,175,364.40 × 517,274.33
  4. Step 4: Simplify right side
    783,576.10x = 607,985,828,166.61
  5. Step 5: Solve for x
    x = 607,985,828,166.61/783,576.10
  6. Step 6: Final answer
    x = 775,911.66

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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.