Home / 1,235,212.34-1,852,967.95-436,330.40

Finding the Fourth Proportional to 1,235,212.34, 1,852,967.95 and 436,330.40

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Solution

The fourth proportional to 1,235,212.34, 1,852,967.95 and 436,330.40 is: 654,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,212.34 : 1,852,967.95 = 436,330.40 : x
  2. Step 2: Convert to fraction form
    1,235,212.34/1,852,967.95 = 436,330.40/x
  3. Step 3: Cross multiply
    1,235,212.34x = 1,852,967.95 × 436,330.40
  4. Step 4: Simplify right side
    1,235,212.34x = 808,506,236,455.01
  5. Step 5: Solve for x
    x = 808,506,236,455.01/1,235,212.34
  6. Step 6: Final answer
    x = 654,548.38

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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.