Home / 751,416.96-1,036,802.16-445,358.40

Finding the Fourth Proportional to 751,416.96, 1,036,802.16 and 445,358.40

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Solution

The fourth proportional to 751,416.96, 1,036,802.16 and 445,358.40 is: 614,503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,416.96 : 1,036,802.16 = 445,358.40 : x
  2. Step 2: Convert to fraction form
    751,416.96/1,036,802.16 = 445,358.40/x
  3. Step 3: Cross multiply
    751,416.96x = 1,036,802.16 × 445,358.40
  4. Step 4: Simplify right side
    751,416.96x = 461,748,551,094.14
  5. Step 5: Solve for x
    x = 461,748,551,094.14/751,416.96
  6. Step 6: Final answer
    x = 614,503.77

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Double scale
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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.