Home / 977,496.40-1,466,244.60-346,328.20

Finding the Fourth Proportional to 977,496.40, 1,466,244.60 and 346,328.20

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Solution

The fourth proportional to 977,496.40, 1,466,244.60 and 346,328.20 is: 519,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,496.40 : 1,466,244.60 = 346,328.20 : x
  2. Step 2: Convert to fraction form
    977,496.40/1,466,244.60 = 346,328.20/x
  3. Step 3: Cross multiply
    977,496.40x = 1,466,244.60 × 346,328.20
  4. Step 4: Simplify right side
    977,496.40x = 507,801,853,077.72
  5. Step 5: Solve for x
    x = 507,801,853,077.72/977,496.40
  6. Step 6: Final answer
    x = 519,492.30

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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.