Home / 883,669.90-1,325,504.85-434,460.10

Finding the Fourth Proportional to 883,669.90, 1,325,504.85 and 434,460.10

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Solution

The fourth proportional to 883,669.90, 1,325,504.85 and 434,460.10 is: 651,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,669.90 : 1,325,504.85 = 434,460.10 : x
  2. Step 2: Convert to fraction form
    883,669.90/1,325,504.85 = 434,460.10/x
  3. Step 3: Cross multiply
    883,669.90x = 1,325,504.85 × 434,460.10
  4. Step 4: Simplify right side
    883,669.90x = 575,878,969,681.49
  5. Step 5: Solve for x
    x = 575,878,969,681.49/883,669.90
  6. Step 6: Final answer
    x = 651,690.15

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Double scale
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Similar ratio
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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.