Home / 738,749.16-1,019,632.46-466,643.94

Finding the Fourth Proportional to 738,749.16, 1,019,632.46 and 466,643.94

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Solution

The fourth proportional to 738,749.16, 1,019,632.46 and 466,643.94 is: 644,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,749.16 : 1,019,632.46 = 466,643.94 : x
  2. Step 2: Convert to fraction form
    738,749.16/1,019,632.46 = 466,643.94/x
  3. Step 3: Cross multiply
    738,749.16x = 1,019,632.46 × 466,643.94
  4. Step 4: Simplify right side
    738,749.16x = 475,805,302,329.45
  5. Step 5: Solve for x
    x = 475,805,302,329.45/738,749.16
  6. Step 6: Final answer
    x = 644,068.82

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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.