Home / 810,705.32-1,118,884.44-466,534.16

Finding the Fourth Proportional to 810,705.32, 1,118,884.44 and 466,534.16

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Solution

The fourth proportional to 810,705.32, 1,118,884.44 and 466,534.16 is: 643,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,705.32 : 1,118,884.44 = 466,534.16 : x
  2. Step 2: Convert to fraction form
    810,705.32/1,118,884.44 = 466,534.16/x
  3. Step 3: Cross multiply
    810,705.32x = 1,118,884.44 × 466,534.16
  4. Step 4: Simplify right side
    810,705.32x = 521,997,812,352.47
  5. Step 5: Solve for x
    x = 521,997,812,352.47/810,705.32
  6. Step 6: Final answer
    x = 643,881.07

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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.