Home / 890,880.37-1,336,320.54-410,966.20

Finding the Fourth Proportional to 890,880.37, 1,336,320.54 and 410,966.20

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Solution

The fourth proportional to 890,880.37, 1,336,320.54 and 410,966.20 is: 616,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,880.37 : 1,336,320.54 = 410,966.20 : x
  2. Step 2: Convert to fraction form
    890,880.37/1,336,320.54 = 410,966.20/x
  3. Step 3: Cross multiply
    890,880.37x = 1,336,320.54 × 410,966.20
  4. Step 4: Simplify right side
    890,880.37x = 549,182,565,569.31
  5. Step 5: Solve for x
    x = 549,182,565,569.31/890,880.37
  6. Step 6: Final answer
    x = 616,449.28

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.