Home / 879,000.75-1,213,021.04-476,592.75

Finding the Fourth Proportional to 879,000.75, 1,213,021.04 and 476,592.75

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Solution

The fourth proportional to 879,000.75, 1,213,021.04 and 476,592.75 is: 657,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,000.75 : 1,213,021.04 = 476,592.75 : x
  2. Step 2: Convert to fraction form
    879,000.75/1,213,021.04 = 476,592.75/x
  3. Step 3: Cross multiply
    879,000.75x = 1,213,021.04 × 476,592.75
  4. Step 4: Simplify right side
    879,000.75x = 578,117,030,878.50
  5. Step 5: Solve for x
    x = 578,117,030,878.50/879,000.75
  6. Step 6: Final answer
    x = 657,698.00

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.