Home / 1,154,931.47-1,731,965.74-396,557.63

Finding the Fourth Proportional to 1,154,931.47, 1,731,965.74 and 396,557.63

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Solution

The fourth proportional to 1,154,931.47, 1,731,965.74 and 396,557.63 is: 594,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,931.47 : 1,731,965.74 = 396,557.63 : x
  2. Step 2: Convert to fraction form
    1,154,931.47/1,731,965.74 = 396,557.63/x
  3. Step 3: Cross multiply
    1,154,931.47x = 1,731,965.74 × 396,557.63
  4. Step 4: Simplify right side
    1,154,931.47x = 686,824,229,095.60
  5. Step 5: Solve for x
    x = 686,824,229,095.60/1,154,931.47
  6. Step 6: Final answer
    x = 594,688.30

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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.