Home / 912,861.91-1,368,746.07-433,209.07

Finding the Fourth Proportional to 912,861.91, 1,368,746.07 and 433,209.07

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Solution

The fourth proportional to 912,861.91, 1,368,746.07 and 433,209.07 is: 649,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,861.91 : 1,368,746.07 = 433,209.07 : x
  2. Step 2: Convert to fraction form
    912,861.91/1,368,746.07 = 433,209.07/x
  3. Step 3: Cross multiply
    912,861.91x = 1,368,746.07 × 433,209.07
  4. Step 4: Simplify right side
    912,861.91x = 592,953,212,050.86
  5. Step 5: Solve for x
    x = 592,953,212,050.86/912,861.91
  6. Step 6: Final answer
    x = 649,554.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.