Home / 460,416.51-690,559.16-144,865.22

Finding the Fourth Proportional to 460,416.51, 690,559.16 and 144,865.22

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Solution

The fourth proportional to 460,416.51, 690,559.16 and 144,865.22 is: 217,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,416.51 : 690,559.16 = 144,865.22 : x
  2. Step 2: Convert to fraction form
    460,416.51/690,559.16 = 144,865.22/x
  3. Step 3: Cross multiply
    460,416.51x = 690,559.16 × 144,865.22
  4. Step 4: Simplify right side
    460,416.51x = 100,038,000,459.29
  5. Step 5: Solve for x
    x = 100,038,000,459.29/460,416.51
  6. Step 6: Final answer
    x = 217,277.18

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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.