Home / 626,547.30-865,340.03-423,436.96

Finding the Fourth Proportional to 626,547.30, 865,340.03 and 423,436.96

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Solution

The fourth proportional to 626,547.30, 865,340.03 and 423,436.96 is: 584,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,547.30 : 865,340.03 = 423,436.96 : x
  2. Step 2: Convert to fraction form
    626,547.30/865,340.03 = 423,436.96/x
  3. Step 3: Cross multiply
    626,547.30x = 865,340.03 × 423,436.96
  4. Step 4: Simplify right side
    626,547.30x = 366,416,951,669.51
  5. Step 5: Solve for x
    x = 366,416,951,669.51/626,547.30
  6. Step 6: Final answer
    x = 584,819.30

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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.