Home / 1,556,931.60-2,335,397.40-434,998.80

Finding the Fourth Proportional to 1,556,931.60, 2,335,397.40 and 434,998.80

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Solution

The fourth proportional to 1,556,931.60, 2,335,397.40 and 434,998.80 is: 652,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,931.60 : 2,335,397.40 = 434,998.80 : x
  2. Step 2: Convert to fraction form
    1,556,931.60/2,335,397.40 = 434,998.80/x
  3. Step 3: Cross multiply
    1,556,931.60x = 2,335,397.40 × 434,998.80
  4. Step 4: Simplify right side
    1,556,931.60x = 1,015,895,066,523.12
  5. Step 5: Solve for x
    x = 1,015,895,066,523.12/1,556,931.60
  6. Step 6: Final answer
    x = 652,498.20

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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.