Home / 1,245,002.40-1,867,503.60-446,346.45

Finding the Fourth Proportional to 1,245,002.40, 1,867,503.60 and 446,346.45

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Solution

The fourth proportional to 1,245,002.40, 1,867,503.60 and 446,346.45 is: 669,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,002.40 : 1,867,503.60 = 446,346.45 : x
  2. Step 2: Convert to fraction form
    1,245,002.40/1,867,503.60 = 446,346.45/x
  3. Step 3: Cross multiply
    1,245,002.40x = 1,867,503.60 × 446,346.45
  4. Step 4: Simplify right side
    1,245,002.40x = 833,553,602,222.22
  5. Step 5: Solve for x
    x = 833,553,602,222.22/1,245,002.40
  6. Step 6: Final answer
    x = 669,519.68

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Double scale
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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.