Home / 838,675.01-1,157,384.70-456,701.49

Finding the Fourth Proportional to 838,675.01, 1,157,384.70 and 456,701.49

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Solution

The fourth proportional to 838,675.01, 1,157,384.70 and 456,701.49 is: 630,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,675.01 : 1,157,384.70 = 456,701.49 : x
  2. Step 2: Convert to fraction form
    838,675.01/1,157,384.70 = 456,701.49/x
  3. Step 3: Cross multiply
    838,675.01x = 1,157,384.70 × 456,701.49
  4. Step 4: Simplify right side
    838,675.01x = 528,579,316,993.20
  5. Step 5: Solve for x
    x = 528,579,316,993.20/838,675.01
  6. Step 6: Final answer
    x = 630,255.23

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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.