Home / 830,056.20-1,245,084.30-824,807.40

Finding the Fourth Proportional to 830,056.20, 1,245,084.30 and 824,807.40

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Solution

The fourth proportional to 830,056.20, 1,245,084.30 and 824,807.40 is: 1,237,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,056.20 : 1,245,084.30 = 824,807.40 : x
  2. Step 2: Convert to fraction form
    830,056.20/1,245,084.30 = 824,807.40/x
  3. Step 3: Cross multiply
    830,056.20x = 1,245,084.30 × 824,807.40
  4. Step 4: Simplify right side
    830,056.20x = 1,026,954,744,263.82
  5. Step 5: Solve for x
    x = 1,026,954,744,263.82/830,056.20
  6. Step 6: Final answer
    x = 1,237,211.10

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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.