Home / 1,235,880.69-1,853,143.73-382,715.49

Finding the Fourth Proportional to 1,235,880.69, 1,853,143.73 and 382,715.49

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Solution

The fourth proportional to 1,235,880.69, 1,853,143.73 and 382,715.49 is: 573,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,880.69 : 1,853,143.73 = 382,715.49 : x
  2. Step 2: Convert to fraction form
    1,235,880.69/1,853,143.73 = 382,715.49/x
  3. Step 3: Cross multiply
    1,235,880.69x = 1,853,143.73 × 382,715.49
  4. Step 4: Simplify right side
    1,235,880.69x = 709,226,810,667.38
  5. Step 5: Solve for x
    x = 709,226,810,667.38/1,235,880.69
  6. Step 6: Final answer
    x = 573,863.49

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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.