Home / 921,338.04-1,271,447.71-513,430.93

Finding the Fourth Proportional to 921,338.04, 1,271,447.71 and 513,430.93

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Solution

The fourth proportional to 921,338.04, 1,271,447.71 and 513,430.93 is: 708,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,338.04 : 1,271,447.71 = 513,430.93 : x
  2. Step 2: Convert to fraction form
    921,338.04/1,271,447.71 = 513,430.93/x
  3. Step 3: Cross multiply
    921,338.04x = 1,271,447.71 × 513,430.93
  4. Step 4: Simplify right side
    921,338.04x = 652,800,573,345.51
  5. Step 5: Solve for x
    x = 652,800,573,345.51/921,338.04
  6. Step 6: Final answer
    x = 708,535.35

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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.