Home / 926,999.40-1,390,499.10-572,705.40

Finding the Fourth Proportional to 926,999.40, 1,390,499.10 and 572,705.40

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Solution

The fourth proportional to 926,999.40, 1,390,499.10 and 572,705.40 is: 859,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,999.40 : 1,390,499.10 = 572,705.40 : x
  2. Step 2: Convert to fraction form
    926,999.40/1,390,499.10 = 572,705.40/x
  3. Step 3: Cross multiply
    926,999.40x = 1,390,499.10 × 572,705.40
  4. Step 4: Simplify right side
    926,999.40x = 796,346,343,265.14
  5. Step 5: Solve for x
    x = 796,346,343,265.14/926,999.40
  6. Step 6: Final answer
    x = 859,058.10

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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.