Home / 885,119.52-1,221,281.76-517,525.92

Finding the Fourth Proportional to 885,119.52, 1,221,281.76 and 517,525.92

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Solution

The fourth proportional to 885,119.52, 1,221,281.76 and 517,525.92 is: 714,078.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,119.52 : 1,221,281.76 = 517,525.92 : x
  2. Step 2: Convert to fraction form
    885,119.52/1,221,281.76 = 517,525.92/x
  3. Step 3: Cross multiply
    885,119.52x = 1,221,281.76 × 517,525.92
  4. Step 4: Simplify right side
    885,119.52x = 632,044,966,423.22
  5. Step 5: Solve for x
    x = 632,044,966,423.22/885,119.52
  6. Step 6: Final answer
    x = 714,078.67

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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.