Home / 961,994-1,327,547.40-553,946.96

Finding the Fourth Proportional to 961,994, 1,327,547.40 and 553,946.96

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Solution

The fourth proportional to 961,994, 1,327,547.40 and 553,946.96 is: 764,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,994 : 1,327,547.40 = 553,946.96 : x
  2. Step 2: Convert to fraction form
    961,994/1,327,547.40 = 553,946.96/x
  3. Step 3: Cross multiply
    961,994x = 1,327,547.40 × 553,946.96
  4. Step 4: Simplify right side
    961,994x = 735,390,846,485.90
  5. Step 5: Solve for x
    x = 735,390,846,485.90/961,994
  6. Step 6: Final answer
    x = 764,444.32

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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.