Home / 380,336.80-524,899.99-210,570.93

Finding the Fourth Proportional to 380,336.80, 524,899.99 and 210,570.93

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Solution

The fourth proportional to 380,336.80, 524,899.99 and 210,570.93 is: 290,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,336.80 : 524,899.99 = 210,570.93 : x
  2. Step 2: Convert to fraction form
    380,336.80/524,899.99 = 210,570.93/x
  3. Step 3: Cross multiply
    380,336.80x = 524,899.99 × 210,570.93
  4. Step 4: Simplify right side
    380,336.80x = 110,528,679,051.29
  5. Step 5: Solve for x
    x = 110,528,679,051.29/380,336.80
  6. Step 6: Final answer
    x = 290,607.37

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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.