Home / 1,171,509.69-1,757,302.81-402,999.49

Finding the Fourth Proportional to 1,171,509.69, 1,757,302.81 and 402,999.49

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Solution

The fourth proportional to 1,171,509.69, 1,757,302.81 and 402,999.49 is: 604,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,509.69 : 1,757,302.81 = 402,999.49 : x
  2. Step 2: Convert to fraction form
    1,171,509.69/1,757,302.81 = 402,999.49/x
  3. Step 3: Cross multiply
    1,171,509.69x = 1,757,302.81 × 402,999.49
  4. Step 4: Simplify right side
    1,171,509.69x = 708,192,136,205.57
  5. Step 5: Solve for x
    x = 708,192,136,205.57/1,171,509.69
  6. Step 6: Final answer
    x = 604,512.40

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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.