Home / 876,188.46-1,209,139.23-473,779.50

Finding the Fourth Proportional to 876,188.46, 1,209,139.23 and 473,779.50

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Solution

The fourth proportional to 876,188.46, 1,209,139.23 and 473,779.50 is: 653,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,188.46 : 1,209,139.23 = 473,779.50 : x
  2. Step 2: Convert to fraction form
    876,188.46/1,209,139.23 = 473,779.50/x
  3. Step 3: Cross multiply
    876,188.46x = 1,209,139.23 × 473,779.50
  4. Step 4: Simplify right side
    876,188.46x = 572,865,379,819.79
  5. Step 5: Solve for x
    x = 572,865,379,819.79/876,188.46
  6. Step 6: Final answer
    x = 653,815.25

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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.