Home / 904,064.09-1,356,303.23-391,815.19

Finding the Fourth Proportional to 904,064.09, 1,356,303.23 and 391,815.19

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Solution

The fourth proportional to 904,064.09, 1,356,303.23 and 391,815.19 is: 587,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,064.09 : 1,356,303.23 = 391,815.19 : x
  2. Step 2: Convert to fraction form
    904,064.09/1,356,303.23 = 391,815.19/x
  3. Step 3: Cross multiply
    904,064.09x = 1,356,303.23 × 391,815.19
  4. Step 4: Simplify right side
    904,064.09x = 531,420,211,169.63
  5. Step 5: Solve for x
    x = 531,420,211,169.63/904,064.09
  6. Step 6: Final answer
    x = 587,812.55

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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.