Home / 838,809.02-1,157,569.62-456,835.49

Finding the Fourth Proportional to 838,809.02, 1,157,569.62 and 456,835.49

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Solution

The fourth proportional to 838,809.02, 1,157,569.62 and 456,835.49 is: 630,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,809.02 : 1,157,569.62 = 456,835.49 : x
  2. Step 2: Convert to fraction form
    838,809.02/1,157,569.62 = 456,835.49/x
  3. Step 3: Cross multiply
    838,809.02x = 1,157,569.62 × 456,835.49
  4. Step 4: Simplify right side
    838,809.02x = 528,818,884,561.81
  5. Step 5: Solve for x
    x = 528,818,884,561.81/838,809.02
  6. Step 6: Final answer
    x = 630,440.15

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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.