Home / 749,547.52-1,034,475.78-422,927.74

Finding the Fourth Proportional to 749,547.52, 1,034,475.78 and 422,927.74

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Solution

The fourth proportional to 749,547.52, 1,034,475.78 and 422,927.74 is: 583,696.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,547.52 : 1,034,475.78 = 422,927.74 : x
  2. Step 2: Convert to fraction form
    749,547.52/1,034,475.78 = 422,927.74/x
  3. Step 3: Cross multiply
    749,547.52x = 1,034,475.78 × 422,927.74
  4. Step 4: Simplify right side
    749,547.52x = 437,508,503,720.14
  5. Step 5: Solve for x
    x = 437,508,503,720.14/749,547.52
  6. Step 6: Final answer
    x = 583,696.82

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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.