Home / 750,688.86-1,035,951.18-406,527.50

Finding the Fourth Proportional to 750,688.86, 1,035,951.18 and 406,527.50

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Solution

The fourth proportional to 750,688.86, 1,035,951.18 and 406,527.50 is: 561,008.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,688.86 : 1,035,951.18 = 406,527.50 : x
  2. Step 2: Convert to fraction form
    750,688.86/1,035,951.18 = 406,527.50/x
  3. Step 3: Cross multiply
    750,688.86x = 1,035,951.18 × 406,527.50
  4. Step 4: Simplify right side
    750,688.86x = 421,142,643,327.45
  5. Step 5: Solve for x
    x = 421,142,643,327.45/750,688.86
  6. Step 6: Final answer
    x = 561,008.25

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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.