Home / 623,436.98-860,325.77-351,502.47

Finding the Fourth Proportional to 623,436.98, 860,325.77 and 351,502.47

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Solution

The fourth proportional to 623,436.98, 860,325.77 and 351,502.47 is: 485,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,436.98 : 860,325.77 = 351,502.47 : x
  2. Step 2: Convert to fraction form
    623,436.98/860,325.77 = 351,502.47/x
  3. Step 3: Cross multiply
    623,436.98x = 860,325.77 × 351,502.47
  4. Step 4: Simplify right side
    623,436.98x = 302,406,634,038.41
  5. Step 5: Solve for x
    x = 302,406,634,038.41/623,436.98
  6. Step 6: Final answer
    x = 485,063.68

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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.