Home / 977,374.80-1,466,062.20-346,352.40

Finding the Fourth Proportional to 977,374.80, 1,466,062.20 and 346,352.40

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Solution

The fourth proportional to 977,374.80, 1,466,062.20 and 346,352.40 is: 519,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,374.80 : 1,466,062.20 = 346,352.40 : x
  2. Step 2: Convert to fraction form
    977,374.80/1,466,062.20 = 346,352.40/x
  3. Step 3: Cross multiply
    977,374.80x = 1,466,062.20 × 346,352.40
  4. Step 4: Simplify right side
    977,374.80x = 507,774,161,519.28
  5. Step 5: Solve for x
    x = 507,774,161,519.28/977,374.80
  6. Step 6: Final answer
    x = 519,528.60

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Double scale
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Similar ratio
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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.