Home / 951,022.39-1,312,444.53-521,302.40

Finding the Fourth Proportional to 951,022.39, 1,312,444.53 and 521,302.40

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Solution

The fourth proportional to 951,022.39, 1,312,444.53 and 521,302.40 is: 719,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,022.39 : 1,312,444.53 = 521,302.40 : x
  2. Step 2: Convert to fraction form
    951,022.39/1,312,444.53 = 521,302.40/x
  3. Step 3: Cross multiply
    951,022.39x = 1,312,444.53 × 521,302.40
  4. Step 4: Simplify right side
    951,022.39x = 684,180,480,749.36
  5. Step 5: Solve for x
    x = 684,180,480,749.36/951,022.39
  6. Step 6: Final answer
    x = 719,415.75

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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.