Home / 1,139,642.32-1,710,303.40-540,605.20

Finding the Fourth Proportional to 1,139,642.32, 1,710,303.40 and 540,605.20

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Solution

The fourth proportional to 1,139,642.32, 1,710,303.40 and 540,605.20 is: 811,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,642.32 : 1,710,303.40 = 540,605.20 : x
  2. Step 2: Convert to fraction form
    1,139,642.32/1,710,303.40 = 540,605.20/x
  3. Step 3: Cross multiply
    1,139,642.32x = 1,710,303.40 × 540,605.20
  4. Step 4: Simplify right side
    1,139,642.32x = 924,598,911,617.68
  5. Step 5: Solve for x
    x = 924,598,911,617.68/1,139,642.32
  6. Step 6: Final answer
    x = 811,306.23

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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.