Home / 1,190,131.60-1,641,831.08-706,421.20

Finding the Fourth Proportional to 1,190,131.60, 1,641,831.08 and 706,421.20

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Solution

The fourth proportional to 1,190,131.60, 1,641,831.08 and 706,421.20 is: 974,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,131.60 : 1,641,831.08 = 706,421.20 : x
  2. Step 2: Convert to fraction form
    1,190,131.60/1,641,831.08 = 706,421.20/x
  3. Step 3: Cross multiply
    1,190,131.60x = 1,641,831.08 × 706,421.20
  4. Step 4: Simplify right side
    1,190,131.60x = 1,159,824,281,730.90
  5. Step 5: Solve for x
    x = 1,159,824,281,730.90/1,190,131.60
  6. Step 6: Final answer
    x = 974,534.48

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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.