Home / 589,240.20-882,953.10-438,774.60

Finding the Fourth Proportional to 589,240.20, 882,953.10 and 438,774.60

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Solution

The fourth proportional to 589,240.20, 882,953.10 and 438,774.60 is: 657,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,240.20 : 882,953.10 = 438,774.60 : x
  2. Step 2: Convert to fraction form
    589,240.20/882,953.10 = 438,774.60/x
  3. Step 3: Cross multiply
    589,240.20x = 882,953.10 × 438,774.60
  4. Step 4: Simplify right side
    589,240.20x = 387,417,393,271.26
  5. Step 5: Solve for x
    x = 387,417,393,271.26/589,240.20
  6. Step 6: Final answer
    x = 657,486.36

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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.