Home / 897,492.75-1,346,228.74-257,812.16

Finding the Fourth Proportional to 897,492.75, 1,346,228.74 and 257,812.16

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Solution

The fourth proportional to 897,492.75, 1,346,228.74 and 257,812.16 is: 386,715.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,492.75 : 1,346,228.74 = 257,812.16 : x
  2. Step 2: Convert to fraction form
    897,492.75/1,346,228.74 = 257,812.16/x
  3. Step 3: Cross multiply
    897,492.75x = 1,346,228.74 × 257,812.16
  4. Step 4: Simplify right side
    897,492.75x = 347,074,139,313.48
  5. Step 5: Solve for x
    x = 347,074,139,313.48/897,492.75
  6. Step 6: Final answer
    x = 386,715.26

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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.