Home / 419,022.11-578,263.55-237,741.68

Finding the Fourth Proportional to 419,022.11, 578,263.55 and 237,741.68

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Solution

The fourth proportional to 419,022.11, 578,263.55 and 237,741.68 is: 328,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,022.11 : 578,263.55 = 237,741.68 : x
  2. Step 2: Convert to fraction form
    419,022.11/578,263.55 = 237,741.68/x
  3. Step 3: Cross multiply
    419,022.11x = 578,263.55 × 237,741.68
  4. Step 4: Simplify right side
    419,022.11x = 137,477,343,779.74
  5. Step 5: Solve for x
    x = 137,477,343,779.74/419,022.11
  6. Step 6: Final answer
    x = 328,090.91

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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.