Home / 1,013,460.45-1,398,575.38-554,575.06

Finding the Fourth Proportional to 1,013,460.45, 1,398,575.38 and 554,575.06

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Solution

The fourth proportional to 1,013,460.45, 1,398,575.38 and 554,575.06 is: 765,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,460.45 : 1,398,575.38 = 554,575.06 : x
  2. Step 2: Convert to fraction form
    1,013,460.45/1,398,575.38 = 554,575.06/x
  3. Step 3: Cross multiply
    1,013,460.45x = 1,398,575.38 × 554,575.06
  4. Step 4: Simplify right side
    1,013,460.45x = 775,615,019,008.71
  5. Step 5: Solve for x
    x = 775,615,019,008.71/1,013,460.45
  6. Step 6: Final answer
    x = 765,313.56

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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.