Home / 743,040.54-1,025,709.84-501,650.08

Finding the Fourth Proportional to 743,040.54, 1,025,709.84 and 501,650.08

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Solution

The fourth proportional to 743,040.54, 1,025,709.84 and 501,650.08 is: 692,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,040.54 : 1,025,709.84 = 501,650.08 : x
  2. Step 2: Convert to fraction form
    743,040.54/1,025,709.84 = 501,650.08/x
  3. Step 3: Cross multiply
    743,040.54x = 1,025,709.84 × 501,650.08
  4. Step 4: Simplify right side
    743,040.54x = 514,547,423,292.79
  5. Step 5: Solve for x
    x = 514,547,423,292.79/743,040.54
  6. Step 6: Final answer
    x = 692,489.03

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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.