Home / 924,765.20-1,386,802.20-363,683.60

Finding the Fourth Proportional to 924,765.20, 1,386,802.20 and 363,683.60

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Solution

The fourth proportional to 924,765.20, 1,386,802.20 and 363,683.60 is: 545,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,765.20 : 1,386,802.20 = 363,683.60 : x
  2. Step 2: Convert to fraction form
    924,765.20/1,386,802.20 = 363,683.60/x
  3. Step 3: Cross multiply
    924,765.20x = 1,386,802.20 × 363,683.60
  4. Step 4: Simplify right side
    924,765.20x = 504,357,216,583.92
  5. Step 5: Solve for x
    x = 504,357,216,583.92/924,765.20
  6. Step 6: Final answer
    x = 545,389.49

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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.