Home / 977,172.60-1,465,904.70-346,036.80

Finding the Fourth Proportional to 977,172.60, 1,465,904.70 and 346,036.80

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Solution

The fourth proportional to 977,172.60, 1,465,904.70 and 346,036.80 is: 519,106.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,172.60 : 1,465,904.70 = 346,036.80 : x
  2. Step 2: Convert to fraction form
    977,172.60/1,465,904.70 = 346,036.80/x
  3. Step 3: Cross multiply
    977,172.60x = 1,465,904.70 × 346,036.80
  4. Step 4: Simplify right side
    977,172.60x = 507,256,971,492.96
  5. Step 5: Solve for x
    x = 507,256,971,492.96/977,172.60
  6. Step 6: Final answer
    x = 519,106.83

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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.