Home / 895,209.60-1,235,445.20-492,801.60

Finding the Fourth Proportional to 895,209.60, 1,235,445.20 and 492,801.60

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Solution

The fourth proportional to 895,209.60, 1,235,445.20 and 492,801.60 is: 680,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,209.60 : 1,235,445.20 = 492,801.60 : x
  2. Step 2: Convert to fraction form
    895,209.60/1,235,445.20 = 492,801.60/x
  3. Step 3: Cross multiply
    895,209.60x = 1,235,445.20 × 492,801.60
  4. Step 4: Simplify right side
    895,209.60x = 608,829,371,272.32
  5. Step 5: Solve for x
    x = 608,829,371,272.32/895,209.60
  6. Step 6: Final answer
    x = 680,097.01

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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.