Home / 528,173.47-792,061.23-191,130.78

Finding the Fourth Proportional to 528,173.47, 792,061.23 and 191,130.78

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Solution

The fourth proportional to 528,173.47, 792,061.23 and 191,130.78 is: 286,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,173.47 : 792,061.23 = 191,130.78 : x
  2. Step 2: Convert to fraction form
    528,173.47/792,061.23 = 191,130.78/x
  3. Step 3: Cross multiply
    528,173.47x = 792,061.23 × 191,130.78
  4. Step 4: Simplify right side
    528,173.47x = 151,387,280,697.66
  5. Step 5: Solve for x
    x = 151,387,280,697.66/528,173.47
  6. Step 6: Final answer
    x = 286,624.17

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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.