Home / 528,021.40-792,032.10-191,061.40

Finding the Fourth Proportional to 528,021.40, 792,032.10 and 191,061.40

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Solution

The fourth proportional to 528,021.40, 792,032.10 and 191,061.40 is: 286,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,021.40 : 792,032.10 = 191,061.40 : x
  2. Step 2: Convert to fraction form
    528,021.40/792,032.10 = 191,061.40/x
  3. Step 3: Cross multiply
    528,021.40x = 792,032.10 × 191,061.40
  4. Step 4: Simplify right side
    528,021.40x = 151,326,761,870.94
  5. Step 5: Solve for x
    x = 151,326,761,870.94/528,021.40
  6. Step 6: Final answer
    x = 286,592.10

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Similar ratio
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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.