Home / 623,388.51-859,877.23-432,332.19

Finding the Fourth Proportional to 623,388.51, 859,877.23 and 432,332.19

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Solution

The fourth proportional to 623,388.51, 859,877.23 and 432,332.19 is: 596,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,388.51 : 859,877.23 = 432,332.19 : x
  2. Step 2: Convert to fraction form
    623,388.51/859,877.23 = 432,332.19/x
  3. Step 3: Cross multiply
    623,388.51x = 859,877.23 × 432,332.19
  4. Step 4: Simplify right side
    623,388.51x = 371,752,605,977.03
  5. Step 5: Solve for x
    x = 371,752,605,977.03/623,388.51
  6. Step 6: Final answer
    x = 596,341.77

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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.