Home / 589,085.47-812,948.70-327,465.34

Finding the Fourth Proportional to 589,085.47, 812,948.70 and 327,465.34

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Solution

The fourth proportional to 589,085.47, 812,948.70 and 327,465.34 is: 451,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,085.47 : 812,948.70 = 327,465.34 : x
  2. Step 2: Convert to fraction form
    589,085.47/812,948.70 = 327,465.34/x
  3. Step 3: Cross multiply
    589,085.47x = 812,948.70 × 327,465.34
  4. Step 4: Simplify right side
    589,085.47x = 266,212,520,810.73
  5. Step 5: Solve for x
    x = 266,212,520,810.73/589,085.47
  6. Step 6: Final answer
    x = 451,908.14

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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.