Home / 351,031.40-526,547.10-291,982.40

Finding the Fourth Proportional to 351,031.40, 526,547.10 and 291,982.40

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Solution

The fourth proportional to 351,031.40, 526,547.10 and 291,982.40 is: 437,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,031.40 : 526,547.10 = 291,982.40 : x
  2. Step 2: Convert to fraction form
    351,031.40/526,547.10 = 291,982.40/x
  3. Step 3: Cross multiply
    351,031.40x = 526,547.10 × 291,982.40
  4. Step 4: Simplify right side
    351,031.40x = 153,742,485,971.04
  5. Step 5: Solve for x
    x = 153,742,485,971.04/351,031.40
  6. Step 6: Final answer
    x = 437,973.60

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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.