Home / 899,020.22-1,240,685.75-517,047.44

Finding the Fourth Proportional to 899,020.22, 1,240,685.75 and 517,047.44

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Solution

The fourth proportional to 899,020.22, 1,240,685.75 and 517,047.44 is: 713,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,020.22 : 1,240,685.75 = 517,047.44 : x
  2. Step 2: Convert to fraction form
    899,020.22/1,240,685.75 = 517,047.44/x
  3. Step 3: Cross multiply
    899,020.22x = 1,240,685.75 × 517,047.44
  4. Step 4: Simplify right side
    899,020.22x = 641,493,390,881.98
  5. Step 5: Solve for x
    x = 641,493,390,881.98/899,020.22
  6. Step 6: Final answer
    x = 713,547.23

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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.