Home / 977,185.40-1,465,778.10-346,017.20

Finding the Fourth Proportional to 977,185.40, 1,465,778.10 and 346,017.20

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Solution

The fourth proportional to 977,185.40, 1,465,778.10 and 346,017.20 is: 519,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,185.40 : 1,465,778.10 = 346,017.20 : x
  2. Step 2: Convert to fraction form
    977,185.40/1,465,778.10 = 346,017.20/x
  3. Step 3: Cross multiply
    977,185.40x = 1,465,778.10 × 346,017.20
  4. Step 4: Simplify right side
    977,185.40x = 507,184,433,983.32
  5. Step 5: Solve for x
    x = 507,184,433,983.32/977,185.40
  6. Step 6: Final answer
    x = 519,025.80

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Half scale
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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.