Home / 623,184.56-935,607.08-421,458.36

Finding the Fourth Proportional to 623,184.56, 935,607.08 and 421,458.36

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Solution

The fourth proportional to 623,184.56, 935,607.08 and 421,458.36 is: 632,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,184.56 : 935,607.08 = 421,458.36 : x
  2. Step 2: Convert to fraction form
    623,184.56/935,607.08 = 421,458.36/x
  3. Step 3: Cross multiply
    623,184.56x = 935,607.08 × 421,458.36
  4. Step 4: Simplify right side
    623,184.56x = 394,319,425,541.19
  5. Step 5: Solve for x
    x = 394,319,425,541.19/623,184.56
  6. Step 6: Final answer
    x = 632,749.03

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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.