Home / 977,175.60-1,465,909.20-346,039.80

Finding the Fourth Proportional to 977,175.60, 1,465,909.20 and 346,039.80

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Solution

The fourth proportional to 977,175.60, 1,465,909.20 and 346,039.80 is: 519,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,175.60 : 1,465,909.20 = 346,039.80 : x
  2. Step 2: Convert to fraction form
    977,175.60/1,465,909.20 = 346,039.80/x
  3. Step 3: Cross multiply
    977,175.60x = 1,465,909.20 × 346,039.80
  4. Step 4: Simplify right side
    977,175.60x = 507,262,926,386.16
  5. Step 5: Solve for x
    x = 507,262,926,386.16/977,175.60
  6. Step 6: Final answer
    x = 519,111.33

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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.