Home / 711,124.80-1,066,341.60-395,246.40

Finding the Fourth Proportional to 711,124.80, 1,066,341.60 and 395,246.40

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Solution

The fourth proportional to 711,124.80, 1,066,341.60 and 395,246.40 is: 592,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,124.80 : 1,066,341.60 = 395,246.40 : x
  2. Step 2: Convert to fraction form
    711,124.80/1,066,341.60 = 395,246.40/x
  3. Step 3: Cross multiply
    711,124.80x = 1,066,341.60 × 395,246.40
  4. Step 4: Simplify right side
    711,124.80x = 421,467,678,570.24
  5. Step 5: Solve for x
    x = 421,467,678,570.24/711,124.80
  6. Step 6: Final answer
    x = 592,677.51

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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.