Home / 648,304.04-893,588.78-433,365.68

Finding the Fourth Proportional to 648,304.04, 893,588.78 and 433,365.68

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Solution

The fourth proportional to 648,304.04, 893,588.78 and 433,365.68 is: 597,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,304.04 : 893,588.78 = 433,365.68 : x
  2. Step 2: Convert to fraction form
    648,304.04/893,588.78 = 433,365.68/x
  3. Step 3: Cross multiply
    648,304.04x = 893,588.78 × 433,365.68
  4. Step 4: Simplify right side
    648,304.04x = 387,250,707,118.24
  5. Step 5: Solve for x
    x = 387,250,707,118.24/648,304.04
  6. Step 6: Final answer
    x = 597,328.85

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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.