Home / 686,736.40-1,030,104.60-585,259.60

Finding the Fourth Proportional to 686,736.40, 1,030,104.60 and 585,259.60

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Solution

The fourth proportional to 686,736.40, 1,030,104.60 and 585,259.60 is: 877,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,736.40 : 1,030,104.60 = 585,259.60 : x
  2. Step 2: Convert to fraction form
    686,736.40/1,030,104.60 = 585,259.60/x
  3. Step 3: Cross multiply
    686,736.40x = 1,030,104.60 × 585,259.60
  4. Step 4: Simplify right side
    686,736.40x = 602,878,606,154.16
  5. Step 5: Solve for x
    x = 602,878,606,154.16/686,736.40
  6. Step 6: Final answer
    x = 877,889.40

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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.