Home / 738,628.48-1,019,293.05-416,332.36

Finding the Fourth Proportional to 738,628.48, 1,019,293.05 and 416,332.36

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Solution

The fourth proportional to 738,628.48, 1,019,293.05 and 416,332.36 is: 574,530.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,628.48 : 1,019,293.05 = 416,332.36 : x
  2. Step 2: Convert to fraction form
    738,628.48/1,019,293.05 = 416,332.36/x
  3. Step 3: Cross multiply
    738,628.48x = 1,019,293.05 × 416,332.36
  4. Step 4: Simplify right side
    738,628.48x = 424,364,681,038.10
  5. Step 5: Solve for x
    x = 424,364,681,038.10/738,628.48
  6. Step 6: Final answer
    x = 574,530.62

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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.