Home / 924,140.80-1,386,211.20-911,699.20

Finding the Fourth Proportional to 924,140.80, 1,386,211.20 and 911,699.20

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Solution

The fourth proportional to 924,140.80, 1,386,211.20 and 911,699.20 is: 1,367,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,140.80 : 1,386,211.20 = 911,699.20 : x
  2. Step 2: Convert to fraction form
    924,140.80/1,386,211.20 = 911,699.20/x
  3. Step 3: Cross multiply
    924,140.80x = 1,386,211.20 × 911,699.20
  4. Step 4: Simplify right side
    924,140.80x = 1,263,807,642,071.04
  5. Step 5: Solve for x
    x = 1,263,807,642,071.04/924,140.80
  6. Step 6: Final answer
    x = 1,367,548.80

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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.