Home / 584,030.17-805,961.55-315,758.17

Finding the Fourth Proportional to 584,030.17, 805,961.55 and 315,758.17

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Solution

The fourth proportional to 584,030.17, 805,961.55 and 315,758.17 is: 435,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,030.17 : 805,961.55 = 315,758.17 : x
  2. Step 2: Convert to fraction form
    584,030.17/805,961.55 = 315,758.17/x
  3. Step 3: Cross multiply
    584,030.17x = 805,961.55 × 315,758.17
  4. Step 4: Simplify right side
    584,030.17x = 254,488,944,118.36
  5. Step 5: Solve for x
    x = 254,488,944,118.36/584,030.17
  6. Step 6: Final answer
    x = 435,746.23

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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.