Home / 356,547.12-534,460.26-223,520.64

Finding the Fourth Proportional to 356,547.12, 534,460.26 and 223,520.64

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Solution

The fourth proportional to 356,547.12, 534,460.26 and 223,520.64 is: 335,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,547.12 : 534,460.26 = 223,520.64 : x
  2. Step 2: Convert to fraction form
    356,547.12/534,460.26 = 223,520.64/x
  3. Step 3: Cross multiply
    356,547.12x = 534,460.26 × 223,520.64
  4. Step 4: Simplify right side
    356,547.12x = 119,462,899,369.77
  5. Step 5: Solve for x
    x = 119,462,899,369.77/356,547.12
  6. Step 6: Final answer
    x = 335,055.01

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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.