Home / 738,752.52-1,019,380.26-416,476.20

Finding the Fourth Proportional to 738,752.52, 1,019,380.26 and 416,476.20

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Solution

The fourth proportional to 738,752.52, 1,019,380.26 and 416,476.20 is: 574,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,752.52 : 1,019,380.26 = 416,476.20 : x
  2. Step 2: Convert to fraction form
    738,752.52/1,019,380.26 = 416,476.20/x
  3. Step 3: Cross multiply
    738,752.52x = 1,019,380.26 × 416,476.20
  4. Step 4: Simplify right side
    738,752.52x = 424,547,617,039.81
  5. Step 5: Solve for x
    x = 424,547,617,039.81/738,752.52
  6. Step 6: Final answer
    x = 574,681.79

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Half scale
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Double scale
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Similar ratio
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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.