Home / 760,714.42-1,049,782.29-411,855.10

Finding the Fourth Proportional to 760,714.42, 1,049,782.29 and 411,855.10

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Solution

The fourth proportional to 760,714.42, 1,049,782.29 and 411,855.10 is: 568,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,714.42 : 1,049,782.29 = 411,855.10 : x
  2. Step 2: Convert to fraction form
    760,714.42/1,049,782.29 = 411,855.10/x
  3. Step 3: Cross multiply
    760,714.42x = 1,049,782.29 × 411,855.10
  4. Step 4: Simplify right side
    760,714.42x = 432,358,190,026.18
  5. Step 5: Solve for x
    x = 432,358,190,026.18/760,714.42
  6. Step 6: Final answer
    x = 568,358.08

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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.