Home / 977,355.20-1,466,032.80-346,332.80

Finding the Fourth Proportional to 977,355.20, 1,466,032.80 and 346,332.80

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Solution

The fourth proportional to 977,355.20, 1,466,032.80 and 346,332.80 is: 519,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,355.20 : 1,466,032.80 = 346,332.80 : x
  2. Step 2: Convert to fraction form
    977,355.20/1,466,032.80 = 346,332.80/x
  3. Step 3: Cross multiply
    977,355.20x = 1,466,032.80 × 346,332.80
  4. Step 4: Simplify right side
    977,355.20x = 507,735,244,515.84
  5. Step 5: Solve for x
    x = 507,735,244,515.84/977,355.20
  6. Step 6: Final answer
    x = 519,499.20

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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.