Home / 832,225.80-1,248,338.70-666,337.80

Finding the Fourth Proportional to 832,225.80, 1,248,338.70 and 666,337.80

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Solution

The fourth proportional to 832,225.80, 1,248,338.70 and 666,337.80 is: 999,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,225.80 : 1,248,338.70 = 666,337.80 : x
  2. Step 2: Convert to fraction form
    832,225.80/1,248,338.70 = 666,337.80/x
  3. Step 3: Cross multiply
    832,225.80x = 1,248,338.70 × 666,337.80
  4. Step 4: Simplify right side
    832,225.80x = 831,815,263,012.86
  5. Step 5: Solve for x
    x = 831,815,263,012.86/832,225.80
  6. Step 6: Final answer
    x = 999,506.70

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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.