Home / 953,303.82-1,315,554.78-517,718.12

Finding the Fourth Proportional to 953,303.82, 1,315,554.78 and 517,718.12

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Solution

The fourth proportional to 953,303.82, 1,315,554.78 and 517,718.12 is: 714,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,303.82 : 1,315,554.78 = 517,718.12 : x
  2. Step 2: Convert to fraction form
    953,303.82/1,315,554.78 = 517,718.12/x
  3. Step 3: Cross multiply
    953,303.82x = 1,315,554.78 × 517,718.12
  4. Step 4: Simplify right side
    953,303.82x = 681,086,547,458.61
  5. Step 5: Solve for x
    x = 681,086,547,458.61/953,303.82
  6. Step 6: Final answer
    x = 714,448.57

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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.