Home / 753,312.04-1,039,578.14-409,154.77

Finding the Fourth Proportional to 753,312.04, 1,039,578.14 and 409,154.77

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Solution

The fourth proportional to 753,312.04, 1,039,578.14 and 409,154.77 is: 564,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,312.04 : 1,039,578.14 = 409,154.77 : x
  2. Step 2: Convert to fraction form
    753,312.04/1,039,578.14 = 409,154.77/x
  3. Step 3: Cross multiply
    753,312.04x = 1,039,578.14 × 409,154.77
  4. Step 4: Simplify right side
    753,312.04x = 425,348,354,768.73
  5. Step 5: Solve for x
    x = 425,348,354,768.73/753,312.04
  6. Step 6: Final answer
    x = 564,637.67

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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.