Home / 943,513.40-1,302,035.53-535,611.68

Finding the Fourth Proportional to 943,513.40, 1,302,035.53 and 535,611.68

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Solution

The fourth proportional to 943,513.40, 1,302,035.53 and 535,611.68 is: 739,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,513.40 : 1,302,035.53 = 535,611.68 : x
  2. Step 2: Convert to fraction form
    943,513.40/1,302,035.53 = 535,611.68/x
  3. Step 3: Cross multiply
    943,513.40x = 1,302,035.53 × 535,611.68
  4. Step 4: Simplify right side
    943,513.40x = 697,385,428,454.75
  5. Step 5: Solve for x
    x = 697,385,428,454.75/943,513.40
  6. Step 6: Final answer
    x = 739,136.75

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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.