Home / 927,697.80-1,390,509.90-528,529.80

Finding the Fourth Proportional to 927,697.80, 1,390,509.90 and 528,529.80

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Solution

The fourth proportional to 927,697.80, 1,390,509.90 and 528,529.80 is: 792,204.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,697.80 : 1,390,509.90 = 528,529.80 : x
  2. Step 2: Convert to fraction form
    927,697.80/1,390,509.90 = 528,529.80/x
  3. Step 3: Cross multiply
    927,697.80x = 1,390,509.90 × 528,529.80
  4. Step 4: Simplify right side
    927,697.80x = 734,925,919,345.02
  5. Step 5: Solve for x
    x = 734,925,919,345.02/927,697.80
  6. Step 6: Final answer
    x = 792,204.01

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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.