Home / 1,030,457.66-1,545,690.44-430,998.30

Finding the Fourth Proportional to 1,030,457.66, 1,545,690.44 and 430,998.30

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Solution

The fourth proportional to 1,030,457.66, 1,545,690.44 and 430,998.30 is: 646,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,457.66 : 1,545,690.44 = 430,998.30 : x
  2. Step 2: Convert to fraction form
    1,030,457.66/1,545,690.44 = 430,998.30/x
  3. Step 3: Cross multiply
    1,030,457.66x = 1,545,690.44 × 430,998.30
  4. Step 4: Simplify right side
    1,030,457.66x = 666,189,949,811.26
  5. Step 5: Solve for x
    x = 666,189,949,811.26/1,030,457.66
  6. Step 6: Final answer
    x = 646,499.10

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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.