Home / 760,813.29-1,049,914.80-411,952.05

Finding the Fourth Proportional to 760,813.29, 1,049,914.80 and 411,952.05

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Solution

The fourth proportional to 760,813.29, 1,049,914.80 and 411,952.05 is: 568,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,813.29 : 1,049,914.80 = 411,952.05 : x
  2. Step 2: Convert to fraction form
    760,813.29/1,049,914.80 = 411,952.05/x
  3. Step 3: Cross multiply
    760,813.29x = 1,049,914.80 × 411,952.05
  4. Step 4: Simplify right side
    760,813.29x = 432,514,554,185.34
  5. Step 5: Solve for x
    x = 432,514,554,185.34/760,813.29
  6. Step 6: Final answer
    x = 568,489.75

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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.