Home / 977,452.40-1,465,109.40-346,041.20

Finding the Fourth Proportional to 977,452.40, 1,465,109.40 and 346,041.20

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Solution

The fourth proportional to 977,452.40, 1,465,109.40 and 346,041.20 is: 518,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,452.40 : 1,465,109.40 = 346,041.20 : x
  2. Step 2: Convert to fraction form
    977,452.40/1,465,109.40 = 346,041.20/x
  3. Step 3: Cross multiply
    977,452.40x = 1,465,109.40 × 346,041.20
  4. Step 4: Simplify right side
    977,452.40x = 506,988,214,907.28
  5. Step 5: Solve for x
    x = 506,988,214,907.28/977,452.40
  6. Step 6: Final answer
    x = 518,683.28

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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.