Home / 916,359.52-1,374,209.88-317,158.24

Finding the Fourth Proportional to 916,359.52, 1,374,209.88 and 317,158.24

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Solution

The fourth proportional to 916,359.52, 1,374,209.88 and 317,158.24 is: 475,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,359.52 : 1,374,209.88 = 317,158.24 : x
  2. Step 2: Convert to fraction form
    916,359.52/1,374,209.88 = 317,158.24/x
  3. Step 3: Cross multiply
    916,359.52x = 1,374,209.88 × 317,158.24
  4. Step 4: Simplify right side
    916,359.52x = 435,841,986,931.41
  5. Step 5: Solve for x
    x = 435,841,986,931.41/916,359.52
  6. Step 6: Final answer
    x = 475,623.35

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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.