Home / 838,675.76-1,157,385.74-456,702.24

Finding the Fourth Proportional to 838,675.76, 1,157,385.74 and 456,702.24

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Solution

The fourth proportional to 838,675.76, 1,157,385.74 and 456,702.24 is: 630,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,675.76 : 1,157,385.74 = 456,702.24 : x
  2. Step 2: Convert to fraction form
    838,675.76/1,157,385.74 = 456,702.24/x
  3. Step 3: Cross multiply
    838,675.76x = 1,157,385.74 × 456,702.24
  4. Step 4: Simplify right side
    838,675.76x = 528,580,657,718.55
  5. Step 5: Solve for x
    x = 528,580,657,718.55/838,675.76
  6. Step 6: Final answer
    x = 630,256.27

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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.