Home / 384,829.40-578,021.70-371,610.20

Finding the Fourth Proportional to 384,829.40, 578,021.70 and 371,610.20

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Solution

The fourth proportional to 384,829.40, 578,021.70 and 371,610.20 is: 558,166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,829.40 : 578,021.70 = 371,610.20 : x
  2. Step 2: Convert to fraction form
    384,829.40/578,021.70 = 371,610.20/x
  3. Step 3: Cross multiply
    384,829.40x = 578,021.70 × 371,610.20
  4. Step 4: Simplify right side
    384,829.40x = 214,798,759,541.34
  5. Step 5: Solve for x
    x = 214,798,759,541.34/384,829.40
  6. Step 6: Final answer
    x = 558,166.19

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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.