Home / 434,779.20-652,168.80-293,774.40

Finding the Fourth Proportional to 434,779.20, 652,168.80 and 293,774.40

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Solution

The fourth proportional to 434,779.20, 652,168.80 and 293,774.40 is: 440,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,779.20 : 652,168.80 = 293,774.40 : x
  2. Step 2: Convert to fraction form
    434,779.20/652,168.80 = 293,774.40/x
  3. Step 3: Cross multiply
    434,779.20x = 652,168.80 × 293,774.40
  4. Step 4: Simplify right side
    434,779.20x = 191,590,497,918.72
  5. Step 5: Solve for x
    x = 191,590,497,918.72/434,779.20
  6. Step 6: Final answer
    x = 440,661.60

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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.