Home / 833,071.80-1,249,607.70-800,412.60

Finding the Fourth Proportional to 833,071.80, 1,249,607.70 and 800,412.60

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Solution

The fourth proportional to 833,071.80, 1,249,607.70 and 800,412.60 is: 1,200,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,071.80 : 1,249,607.70 = 800,412.60 : x
  2. Step 2: Convert to fraction form
    833,071.80/1,249,607.70 = 800,412.60/x
  3. Step 3: Cross multiply
    833,071.80x = 1,249,607.70 × 800,412.60
  4. Step 4: Simplify right side
    833,071.80x = 1,000,201,748,137.02
  5. Step 5: Solve for x
    x = 1,000,201,748,137.02/833,071.80
  6. Step 6: Final answer
    x = 1,200,618.90

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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.