Home / 877,533.75-1,315,305.54-403,239.06

Finding the Fourth Proportional to 877,533.75, 1,315,305.54 and 403,239.06

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Solution

The fourth proportional to 877,533.75, 1,315,305.54 and 403,239.06 is: 604,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,533.75 : 1,315,305.54 = 403,239.06 : x
  2. Step 2: Convert to fraction form
    877,533.75/1,315,305.54 = 403,239.06/x
  3. Step 3: Cross multiply
    877,533.75x = 1,315,305.54 × 403,239.06
  4. Step 4: Simplify right side
    877,533.75x = 530,382,569,562.39
  5. Step 5: Solve for x
    x = 530,382,569,562.39/877,533.75
  6. Step 6: Final answer
    x = 604,401.33

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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.