Home / 838,877.76-1,157,653.08-456,903.36

Finding the Fourth Proportional to 838,877.76, 1,157,653.08 and 456,903.36

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Solution

The fourth proportional to 838,877.76, 1,157,653.08 and 456,903.36 is: 630,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,877.76 : 1,157,653.08 = 456,903.36 : x
  2. Step 2: Convert to fraction form
    838,877.76/1,157,653.08 = 456,903.36/x
  3. Step 3: Cross multiply
    838,877.76x = 1,157,653.08 × 456,903.36
  4. Step 4: Simplify right side
    838,877.76x = 528,935,581,966.35
  5. Step 5: Solve for x
    x = 528,935,581,966.35/838,877.76
  6. Step 6: Final answer
    x = 630,527.60

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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.