Home / 589,056.30-812,641.01-371,132.69

Finding the Fourth Proportional to 589,056.30, 812,641.01 and 371,132.69

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Solution

The fourth proportional to 589,056.30, 812,641.01 and 371,132.69 is: 512,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,056.30 : 812,641.01 = 371,132.69 : x
  2. Step 2: Convert to fraction form
    589,056.30/812,641.01 = 371,132.69/x
  3. Step 3: Cross multiply
    589,056.30x = 812,641.01 × 371,132.69
  4. Step 4: Simplify right side
    589,056.30x = 301,597,638,126.75
  5. Step 5: Solve for x
    x = 301,597,638,126.75/589,056.30
  6. Step 6: Final answer
    x = 512,001.38

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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.