Home / 528,031.40-792,047.10-191,071.40

Finding the Fourth Proportional to 528,031.40, 792,047.10 and 191,071.40

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Solution

The fourth proportional to 528,031.40, 792,047.10 and 191,071.40 is: 286,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,031.40 : 792,047.10 = 191,071.40 : x
  2. Step 2: Convert to fraction form
    528,031.40/792,047.10 = 191,071.40/x
  3. Step 3: Cross multiply
    528,031.40x = 792,047.10 × 191,071.40
  4. Step 4: Simplify right side
    528,031.40x = 151,337,548,262.94
  5. Step 5: Solve for x
    x = 151,337,548,262.94/528,031.40
  6. Step 6: Final answer
    x = 286,607.10

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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.