Home / 834,047.60-1,250,779.80-434,555.60

Finding the Fourth Proportional to 834,047.60, 1,250,779.80 and 434,555.60

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Solution

The fourth proportional to 834,047.60, 1,250,779.80 and 434,555.60 is: 651,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,047.60 : 1,250,779.80 = 434,555.60 : x
  2. Step 2: Convert to fraction form
    834,047.60/1,250,779.80 = 434,555.60/x
  3. Step 3: Cross multiply
    834,047.60x = 1,250,779.80 × 434,555.60
  4. Step 4: Simplify right side
    834,047.60x = 543,533,366,456.88
  5. Step 5: Solve for x
    x = 543,533,366,456.88/834,047.60
  6. Step 6: Final answer
    x = 651,681.47

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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.