Home / 875,114.71-1,312,368.46-306,483.27

Finding the Fourth Proportional to 875,114.71, 1,312,368.46 and 306,483.27

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Solution

The fourth proportional to 875,114.71, 1,312,368.46 and 306,483.27 is: 459,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,114.71 : 1,312,368.46 = 306,483.27 : x
  2. Step 2: Convert to fraction form
    875,114.71/1,312,368.46 = 306,483.27/x
  3. Step 3: Cross multiply
    875,114.71x = 1,312,368.46 × 306,483.27
  4. Step 4: Simplify right side
    875,114.71x = 402,218,973,018.54
  5. Step 5: Solve for x
    x = 402,218,973,018.54/875,114.71
  6. Step 6: Final answer
    x = 459,618.57

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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.