Home / 756,900.51-1,044,500.36-417,368.67

Finding the Fourth Proportional to 756,900.51, 1,044,500.36 and 417,368.67

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Solution

The fourth proportional to 756,900.51, 1,044,500.36 and 417,368.67 is: 575,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,900.51 : 1,044,500.36 = 417,368.67 : x
  2. Step 2: Convert to fraction form
    756,900.51/1,044,500.36 = 417,368.67/x
  3. Step 3: Cross multiply
    756,900.51x = 1,044,500.36 × 417,368.67
  4. Step 4: Simplify right side
    756,900.51x = 435,941,723,980.88
  5. Step 5: Solve for x
    x = 435,941,723,980.88/756,900.51
  6. Step 6: Final answer
    x = 575,956.44

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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.