Home / 715,073.63-986,557.18-409,038.52

Finding the Fourth Proportional to 715,073.63, 986,557.18 and 409,038.52

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Solution

The fourth proportional to 715,073.63, 986,557.18 and 409,038.52 is: 564,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,073.63 : 986,557.18 = 409,038.52 : x
  2. Step 2: Convert to fraction form
    715,073.63/986,557.18 = 409,038.52/x
  3. Step 3: Cross multiply
    715,073.63x = 986,557.18 × 409,038.52
  4. Step 4: Simplify right side
    715,073.63x = 403,539,888,802.57
  5. Step 5: Solve for x
    x = 403,539,888,802.57/715,073.63
  6. Step 6: Final answer
    x = 564,333.34

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1.5x scale

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.