Home / 406,888.06-561,437.27-271,124.77

Finding the Fourth Proportional to 406,888.06, 561,437.27 and 271,124.77

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Solution

The fourth proportional to 406,888.06, 561,437.27 and 271,124.77 is: 374,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,888.06 : 561,437.27 = 271,124.77 : x
  2. Step 2: Convert to fraction form
    406,888.06/561,437.27 = 271,124.77/x
  3. Step 3: Cross multiply
    406,888.06x = 561,437.27 × 271,124.77
  4. Step 4: Simplify right side
    406,888.06x = 152,219,547,938.96
  5. Step 5: Solve for x
    x = 152,219,547,938.96/406,888.06
  6. Step 6: Final answer
    x = 374,106.70

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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.