Home / 592,473.81-817,619.70-320,547.54

Finding the Fourth Proportional to 592,473.81, 817,619.70 and 320,547.54

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Solution

The fourth proportional to 592,473.81, 817,619.70 and 320,547.54 is: 442,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,473.81 : 817,619.70 = 320,547.54 : x
  2. Step 2: Convert to fraction form
    592,473.81/817,619.70 = 320,547.54/x
  3. Step 3: Cross multiply
    592,473.81x = 817,619.70 × 320,547.54
  4. Step 4: Simplify right side
    592,473.81x = 262,085,983,490.54
  5. Step 5: Solve for x
    x = 262,085,983,490.54/592,473.81
  6. Step 6: Final answer
    x = 442,358.77

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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.