Home / 838,809.09-1,157,569.71-456,835.56

Finding the Fourth Proportional to 838,809.09, 1,157,569.71 and 456,835.56

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Solution

The fourth proportional to 838,809.09, 1,157,569.71 and 456,835.56 is: 630,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,809.09 : 1,157,569.71 = 456,835.56 : x
  2. Step 2: Convert to fraction form
    838,809.09/1,157,569.71 = 456,835.56/x
  3. Step 3: Cross multiply
    838,809.09x = 1,157,569.71 × 456,835.56
  4. Step 4: Simplify right side
    838,809.09x = 528,819,006,706.89
  5. Step 5: Solve for x
    x = 528,819,006,706.89/838,809.09
  6. Step 6: Final answer
    x = 630,440.24

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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.