Home / 651,664.40-977,496.60-553,249.40

Finding the Fourth Proportional to 651,664.40, 977,496.60 and 553,249.40

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Solution

The fourth proportional to 651,664.40, 977,496.60 and 553,249.40 is: 829,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,664.40 : 977,496.60 = 553,249.40 : x
  2. Step 2: Convert to fraction form
    651,664.40/977,496.60 = 553,249.40/x
  3. Step 3: Cross multiply
    651,664.40x = 977,496.60 × 553,249.40
  4. Step 4: Simplify right side
    651,664.40x = 540,799,407,452.04
  5. Step 5: Solve for x
    x = 540,799,407,452.04/651,664.40
  6. Step 6: Final answer
    x = 829,874.10

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Half scale
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Double scale
Find fourth proportional to 651,665.40, 977,498.10 and 553,250.40
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.