Home / 877,598.47-1,316,247.18-278,426.08

Finding the Fourth Proportional to 877,598.47, 1,316,247.18 and 278,426.08

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Solution

The fourth proportional to 877,598.47, 1,316,247.18 and 278,426.08 is: 417,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,598.47 : 1,316,247.18 = 278,426.08 : x
  2. Step 2: Convert to fraction form
    877,598.47/1,316,247.18 = 278,426.08/x
  3. Step 3: Cross multiply
    877,598.47x = 1,316,247.18 × 278,426.08
  4. Step 4: Simplify right side
    877,598.47x = 366,477,542,638.45
  5. Step 5: Solve for x
    x = 366,477,542,638.45/877,598.47
  6. Step 6: Final answer
    x = 417,591.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.