Home / 760,245.38-1,049,256.45-433,559.08

Finding the Fourth Proportional to 760,245.38, 1,049,256.45 and 433,559.08

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Solution

The fourth proportional to 760,245.38, 1,049,256.45 and 433,559.08 is: 598,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,245.38 : 1,049,256.45 = 433,559.08 : x
  2. Step 2: Convert to fraction form
    760,245.38/1,049,256.45 = 433,559.08/x
  3. Step 3: Cross multiply
    760,245.38x = 1,049,256.45 × 433,559.08
  4. Step 4: Simplify right side
    760,245.38x = 454,914,662,457.64
  5. Step 5: Solve for x
    x = 454,914,662,457.64/760,245.38
  6. Step 6: Final answer
    x = 598,378.73

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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.