Home / 692,990.03-956,316.17-387,070.77

Finding the Fourth Proportional to 692,990.03, 956,316.17 and 387,070.77

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Solution

The fourth proportional to 692,990.03, 956,316.17 and 387,070.77 is: 534,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,990.03 : 956,316.17 = 387,070.77 : x
  2. Step 2: Convert to fraction form
    692,990.03/956,316.17 = 387,070.77/x
  3. Step 3: Cross multiply
    692,990.03x = 956,316.17 × 387,070.77
  4. Step 4: Simplify right side
    692,990.03x = 370,162,036,285.35
  5. Step 5: Solve for x
    x = 370,162,036,285.35/692,990.03
  6. Step 6: Final answer
    x = 534,152.04

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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.