Home / 487,948.40-673,368.69-273,088.45

Finding the Fourth Proportional to 487,948.40, 673,368.69 and 273,088.45

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Solution

The fourth proportional to 487,948.40, 673,368.69 and 273,088.45 is: 376,862.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,948.40 : 673,368.69 = 273,088.45 : x
  2. Step 2: Convert to fraction form
    487,948.40/673,368.69 = 273,088.45/x
  3. Step 3: Cross multiply
    487,948.40x = 673,368.69 × 273,088.45
  4. Step 4: Simplify right side
    487,948.40x = 183,889,211,830.63
  5. Step 5: Solve for x
    x = 183,889,211,830.63/487,948.40
  6. Step 6: Final answer
    x = 376,862.00

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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.