Home / 769,547.61-1,061,969.27-430,016.13

Finding the Fourth Proportional to 769,547.61, 1,061,969.27 and 430,016.13

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Solution

The fourth proportional to 769,547.61, 1,061,969.27 and 430,016.13 is: 593,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,547.61 : 1,061,969.27 = 430,016.13 : x
  2. Step 2: Convert to fraction form
    769,547.61/1,061,969.27 = 430,016.13/x
  3. Step 3: Cross multiply
    769,547.61x = 1,061,969.27 × 430,016.13
  4. Step 4: Simplify right side
    769,547.61x = 456,663,913,514.24
  5. Step 5: Solve for x
    x = 456,663,913,514.24/769,547.61
  6. Step 6: Final answer
    x = 593,418.66

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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.