Home / 783,376.53-1,175,064.81-517,074.76

Finding the Fourth Proportional to 783,376.53, 1,175,064.81 and 517,074.76

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Solution

The fourth proportional to 783,376.53, 1,175,064.81 and 517,074.76 is: 775,612.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,376.53 : 1,175,064.81 = 517,074.76 : x
  2. Step 2: Convert to fraction form
    783,376.53/1,175,064.81 = 517,074.76/x
  3. Step 3: Cross multiply
    783,376.53x = 1,175,064.81 × 517,074.76
  4. Step 4: Simplify right side
    783,376.53x = 607,596,347,535.26
  5. Step 5: Solve for x
    x = 607,596,347,535.26/783,376.53
  6. Step 6: Final answer
    x = 775,612.14

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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.