Home / 970,042.02-1,338,688.20-556,654.48

Finding the Fourth Proportional to 970,042.02, 1,338,688.20 and 556,654.48

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Solution

The fourth proportional to 970,042.02, 1,338,688.20 and 556,654.48 is: 768,200.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,042.02 : 1,338,688.20 = 556,654.48 : x
  2. Step 2: Convert to fraction form
    970,042.02/1,338,688.20 = 556,654.48/x
  3. Step 3: Cross multiply
    970,042.02x = 1,338,688.20 × 556,654.48
  4. Step 4: Simplify right side
    970,042.02x = 745,186,783,853.14
  5. Step 5: Solve for x
    x = 745,186,783,853.14/970,042.02
  6. Step 6: Final answer
    x = 768,200.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.